| City | County | Population (2017) |
Land Ares Square Miles |
Density per Sq Mile |
|---|---|---|---|---|
| Ackley | Franklin County / Hardin County | 1,498 | 2 | 749 |
| Ackworth | Warren County | 105 | 1 | 105 |
| Adair | Adair County / Guthrie County | 713 | 2 | 357 |
| Adel | Dallas County | 5,455 | 5 | 1091 |
| Afton | Union County | 815 | 1 | 815 |
| Agency | Wapello County | 643 | 1 | 643 |
| Ainsworth | Washington County | 579 | 0 | 0 |
| Akron | Plymouth County | 1,463 | 1 | 1463 |
| Albert City | Buena Vista County | 665 | 1 | 665 |
| Albia | Monroe County | 3,681 | 3 | 1227 |
| Albion | Marshall County | 490 | 1 | 490 |
| Alburnett | Linn County | 699 | 1 | 699 |
| Alden | Hardin County | 738 | 2 | 369 |
| Alexander | Franklin County | 161 | 4 | 40 |
| Algona | Kossuth County | 5,397 | 4 | 1349 |
| Alleman | Polk County | 452 | 3 | 151 |
| Allerton | Wayne County | 507 | 1 | 507 |
| Allison | Butler County | 973 | 3 | 324 |
| Alta | Buena Vista County | 1,903 | 1 | 1903 |
| Alta Vista | Chickasaw County | 252 | 1 | 252 |
| Alton | Sioux County | 1,248 | 2 | 624 |
| Altoona | Polk County | 19,221 | 11 | 1747 |
| Alvord | Lyon County | 201 | 0 | 0 |
| Amana | Iowa County | 390 | 1 | 390 |
| Ames | Story County | 66,258 | 27 | 2454 |
| Anamosa | Jones County | 5,537 | 3 | 1846 |
| Andrew | Jackson County | 408 | 0 | 0 |
| Anita | Cass County | 900 | 2 | 450 |
| Ankeny | Polk County | 67,355 | 30 | 2245 |
| Anthon | Woodbury County | 561 | 1 | 561 |
| Aplington | Butler County | 1,050 | 1 | 1050 |
| Arcadia | Carroll County | 520 | 1 | 520 |
| Archer | O'Brien County | 124 | 0 | 0 |
| Arion | Crawford County | 107 | 0 | 0 |
| Arlington | Fayette County | 399 | 1 | 399 |
| Armstrong | Emmet County | 840 | 1 | 840 |
| Arnolds Park | Dickinson County | 1,313 | 2 | 657 |
| Arthur | Ida County | 194 | 0 | 0 |
| Asbury | Dubuque County | 5,747 | 3 | 1916 |
| Ashton | Osceola County | 420 | 1 | 420 |
| Atalissa | Muscatine County | 308 | 0 | 0 |
| Atkins | Benton County | 1,970 | 1 | 1970 |
| Atlantic | Cass County | 6,526 | 8 | 816 |
| Auburn | Sac County | 305 | 0 | 0 |
| Audubon | Audubon County | 1,898 | 2 | 949 |
| Aurelia | Cherokee County | 958 | 1 | 958 |
| Aurora | Buchanan County | 161 | 1 | 161 |
| Avoca | Pottawattamie County | 1,521 | 2 | 761 |
| Ayrshire | Palo Alto County | 134 | 0 | 0 |
| Badger | Webster County | 532 | 1 | 532 |
| Bagley | Guthrie County | 286 | 0 | 0 |
| Baldwin | Jackson County | 108 | 0 | 0 |
| Bancroft | Kossuth County | 696 | 1 | 696 |
| Barnes City | Mahaska County / Poweshiek County | 169 | 1 | 169 |
| Barnum | Webster County | 181 | 0 | 0 |
| Batavia | Jefferson County | 549 | 1 | 549 |
| Battle Creek | Ida County | 693 | 0 | 0 |
| Baxter | Jasper County | 1,132 | 1 | 1132 |
| Bayard | Guthrie County | 451 | 0 | 0 |
| Beacon | Mahaska County | 487 | 1 | 487 |
| Beaman | Grundy County | 183 | 0 | 0 |
| Beaverdale | Des Moines County | 1,265 | 2 | 633 |
| Bedford | Taylor County | 1,384 | 2 | 692 |
| Belle Plaine | Benton County | 2,440 | 3 | 813 |
| Bellevue | Jackson County | 2,209 | 1 | 2209 |
| Belmond | Wright County | 2,263 | 3 | 754 |
| Bennett | Cedar County | 378 | 0 | 0 |
| Bentley | Pottawattamie County | 104 | 1 | 104 |
| Bernard | Dubuque County | 118 | 0 | 0 |
| Bertram | Linn County | 290 | 2 | 145 |
| Bettendorf | Scott County | 36,543 | 21 | 1740 |
| Birmingham | Van Buren County | 421 | 1 | 421 |
| Blairsburg | Hamilton County | 200 | 1 | 200 |
| Blairstown | Benton County | 659 | 0 | 0 |
| Blakesburg | Wapello County | 285 | 0 | 0 |
| Blencoe | Monona County | 197 | 1 | 197 |
| Blockton | Taylor County | 185 | 1 | 185 |
| Bloomfield | Davis County | 2,679 | 2 | 1340 |
| Blue Grass | Muscatine County / Scott County | 1,661 | 3 | 554 |
| Bode | Humboldt County | 290 | 0 | 0 |
| Bonaparte | Van Buren County | 403 | 0 | 0 |
| Bondurant | Polk County | 6,958 | 9 | 773 |
| Boone | Boone County | 12,384 | 9 | 1376 |
| Bouton | Dallas County | 122 | 0 | 0 |
| Boxholm | Boone County | 186 | 1 | 186 |
| Boyden | Sioux County | 679 | 1 | 679 |
| Braddyville | Page County | 152 | 1 | 152 |
| Brandon | Buchanan County | 320 | 0 | 0 |
| Brayton | Audubon County | 110 | 1 | 110 |
| Breda | Carroll County | 476 | 1 | 476 |
| Bridgewater | Adair County | 151 | 0 | 0 |
| Brighton | Washington County | 640 | 1 | 640 |
| Bristow | Butler County | 149 | 1 | 149 |
| Britt | Hancock County | 1,955 | 1 | 1955 |
| Bronson | Woodbury County | 320 | 0 | 0 |
| Brooklyn | Poweshiek County | 1,400 | 1 | 1400 |
| Brunsville | Plymouth County | 153 | 0 | 0 |
| Buckeye | Hardin County | 108 | 1 | 108 |
| Buffalo | Scott County | 1,272 | 7 | 182 |
| Buffalo Center | Winnebago County | 855 | 1 | 855 |
| Burlington | Des Moines County | 24,713 | 14 | 1765 |
| Burr Oak | Winneshiek County | 242 | 1 | 242 |
| Burt | Kossuth County | 498 | 0 | 0 |
| Bussey | Marion County | 413 | 0 | 0 |
| Calamus | Clinton County | 401 | 0 | 0 |
| Callender | Webster County | 346 | 1 | 346 |
| Calmar | Winneshiek County | 917 | 1 | 917 |
| Calumet | O'Brien County | 157 | 0 | 0 |
| Camanche | Clinton County | 4,365 | 9 | 485 |
| Cambridge | Story County | 796 | 1 | 796 |
| Cantril | Van Buren County | 207 | 1 | 207 |
| Carlisle | Polk County / Warren County | 4,294 | 6 | 716 |
| Carpenter | Mitchell County | 106 | 0 | 0 |
| Carroll | Carroll County | 9,833 | 6 | 1639 |
| Carson | Pottawattamie County | 809 | 1 | 809 |
| Carter Lake | Pottawattamie County | 3,785 | 2 | 1893 |
| Cascade | Dubuque County / Jones County | 2,329 | 2 | 1165 |
| Casey | Adair County / Guthrie County | 401 | 1 | 401 |
| Castalia | Winneshiek County | 158 | 1 | 158 |
| Castana | Monona County | 133 | 1 | 133 |
| Cedar Falls | Black Hawk County | 40,536 | 29 | 1398 |
| Cedar Rapids | Linn County | 133,562 | 72 | 1855 |
| Center Point | Linn County | 2,555 | 3 | 852 |
| Centerville | Appanoose County | 5,445 | 5 | 1089 |
| Central City | Linn County | 1,296 | 1 | 1296 |
| Centralia | Dubuque County | 128 | 1 | 128 |
| Chapin | Franklin County | 155 | 0 | 0 |
| Chariton | Lucas County | 4,141 | 4 | 1035 |
| Charles City | Floyd County | 7,307 | 6 | 1218 |
| Charlotte | Clinton County | 361 | 1 | 361 |
| Charter Oak | Crawford County | 478 | 0 | 0 |
| Chelsea | Tama County | 249 | 1 | 249 |
| Cherokee | Cherokee County | 4,869 | 7 | 696 |
| Chester | Howard County | 120 | 1 | 120 |
| Churdan | Greene County | 364 | 2 | 182 |
| Cincinnati | Appanoose County | 344 | 2 | 172 |
| Clare | Webster County | 135 | 1 | 135 |
| Clarence | Cedar County | 975 | 1 | 975 |
| Clarinda | Page County | 5,366 | 5 | 1073 |
| Clarion | Wright County | 2,709 | 3 | 903 |
| Clarksville | Butler County | 1,346 | 1 | 1346 |
| Clear Lake | Cerro Gordo County | 7,550 | 11 | 686 |
| Clearfield | Ringgold County / Taylor County | 343 | 1 | 343 |
| Cleghorn | Cherokee County | 216 | 0 | 0 |
| Clemons | Marshall County | 141 | 0 | 0 |
| Clermont | Fayette County | 583 | 1 | 583 |
| Climbing Hill | Woodbury County | 152 | 1 | 152 |
| Clinton | Clinton County | 25,093 | 35 | 717 |
| Clive | Dallas County / Polk County | 17,242 | 8 | 2155 |
| Clutier | Tama County | 204 | 1 | 204 |
| Coalville | Webster County | 618 | 2 | 309 |
| Coggon | Linn County | 667 | 1 | 667 |
| Coin | Page County | 174 | 1 | 174 |
| Colesburg | Delaware County | 377 | 0 | 0 |
| Colfax | Jasper County | 2,064 | 2 | 1032 |
| College Springs | Page County | 203 | 1 | 203 |
| Collins | Story County | 467 | 0 | 0 |
| Colo | Story County | 820 | 1 | 820 |
| Columbus City | Louisa County | 372 | 0 | 0 |
| Columbus Junction | Louisa County | 1,837 | 2 | 919 |
| Conesville | Muscatine County | 427 | 0 | 0 |
| Conrad | Grundy County | 1,077 | 1 | 1077 |
| Conroy | Iowa County | 293 | 1 | 293 |
| Coon Rapids | Carroll County / Guthrie County | 1,232 | 2 | 616 |
| Coralville | Johnson County | 22,290 | 13 | 1715 |
| Corning | Adams County | 1,433 | 2 | 717 |
| Correctionville | Woodbury County | 806 | 1 | 806 |
| Corwith | Hancock County | 254 | 1 | 254 |
| Corydon | Wayne County | 1,600 | 1 | 1600 |
| Coulter | Franklin County | 263 | 2 | 132 |
| Council Bluffs | Pottawattamie County | 62,166 | 43 | 1446 |
| Crawfordsville | Washington County | 265 | 0 | 0 |
| Crescent | Pottawattamie County | 616 | 1 | 616 |
| Cresco | Howard County | 3,739 | 3 | 1246 |
| Creston | Union County | 7,713 | 5 | 1543 |
| Cromwell | Union County | 108 | 0 | 0 |
| Crystal Lake | Hancock County | 232 | 0 | 0 |
| Cumberland | Cass County | 247 | 1 | 247 |
| Cumming | Warren County | 405 | 3 | 135 |
| Cushing | Woodbury County | 217 | 0 | 0 |
| Dakota City | Humboldt County | 825 | 1 | 825 |
| Dallas Center | Dallas County | 1,776 | 5 | 355 |
| Danbury | Woodbury County | 340 | 0 | 0 |
| Danville | Des Moines County | 899 | 1 | 899 |
| Davenport | Scott County | 101,590 | 64 | 1587 |
| Davis City | Decatur County | 184 | 1 | 184 |
| Dawson | Dallas County | 126 | 0 | 0 |
| Dayton | Webster County | 775 | 1 | 775 |
| De Soto | Dallas County | 1,025 | 2 | 513 |
| Decatur City | Decatur County | 184 | 0 | 0 |
| Decorah | Winneshiek County | 7,576 | 7 | 1082 |
| Dedham | Carroll County | 256 | 1 | 256 |
| Deep River | Poweshiek County | 270 | 0 | 0 |
| Defiance | Shelby County | 263 | 0 | 0 |
| Delaware | Delaware County | 151 | 1 | 151 |
| Delhi | Delaware County | 469 | 1 | 469 |
| Delmar | Clinton County | 483 | 1 | 483 |
| Deloit | Crawford County | 255 | 0 | 0 |
| Delta | Keokuk County | 318 | 1 | 318 |
| Denison | Crawford County | 8,244 | 7 | 1178 |
| Denmark | Lee County | 363 | 2 | 182 |
| Denver | Bremer County | 1,856 | 2 | 928 |
| Derby | Lucas County | 112 | 0 | 0 |
| Des Moines | Polk County / Warren County | 214,237 | 88 | 2435 |
| DeWitt | Clinton County | 5,192 | 6 | 865 |
| Dexter | Dallas County | 585 | 1 | 585 |
| Diagonal | Ringgold County | 317 | 1 | 317 |
| Diamondhead Lake | Guthrie County | 355 | 1 | 355 |
| Dickens | Clay County | 171 | 1 | 171 |
| Dike | Grundy County | 1,272 | 1 | 1272 |
| Dixon | Scott County | 251 | 0 | 0 |
| Donahue | Scott County | 368 | 0 | 0 |
| Donnellson | Lee County | 854 | 1 | 854 |
| Doon | Lyon County | 601 | 1 | 601 |
| Dow City | Crawford County | 497 | 0 | 0 |
| Dows | Franklin County / Wright County | 504 | 1 | 504 |
| Drakesville | Davis County | 190 | 0 | 0 |
| Dubuque | Dubuque County | 57,882 | 31 | 1867 |
| Dumont | Butler County | 602 | 2 | 301 |
| Duncombe | Webster County | 383 | 2 | 192 |
| Dundee | Delaware County | 163 | 0 | 0 |
| Dunkerton | Black Hawk County | 849 | 1 | 849 |
| Dunlap | Crawford County / Harrison County | 973 | 1 | 973 |
| Durant | Cedar County / Muscatine County / Scott County | 1,864 | 1 | 1864 |
| Dyersville | Delaware County / Dubuque County | 4,329 | 7 | 618 |
| Dysart | Tama County | 1,313 | 1 | 1313 |
| Eagle Grove | Wright County | 3,406 | 4 | 852 |
| Earlham | Madison County | 1,410 | 1 | 1410 |
| Earling | Shelby County | 409 | 1 | 409 |
| Earlville | Delaware County | 772 | 1 | 772 |
| Early | Sac County | 515 | 0 | 0 |
| East Peru | Madison County | 131 | 1 | 131 |
| Eddyville | Mahaska County / Monroe County / Wapello County | 1,008 | 1 | 1008 |
| Edgewood | Clayton County / Delaware County | 861 | 1 | 861 |
| Elberon | Tama County | 188 | 1 | 188 |
| Eldon | Wapello County | 915 | 1 | 915 |
| Eldora | Hardin County | 2,612 | 4 | 653 |
| Eldridge | Scott County | 6,846 | 10 | 685 |
| Elgin | Fayette County | 634 | 1 | 634 |
| Elk Horn | Shelby County | 610 | 1 | 610 |
| Elk Run Heights | Black Hawk County | 1,144 | 1 | 1144 |
| Elkader | Clayton County | 1,217 | 1 | 1217 |
| Elkhart | Polk County | 918 | 2 | 459 |
| Elliott | Montgomery County | 318 | 0 | 0 |
| Ellsworth | Hamilton County | 489 | 1 | 489 |
| Elma | Howard County | 527 | 1 | 527 |
| Ely | Linn County | 2,343 | 1 | 2343 |
| Emerson | Mills County | 449 | 0 | 0 |
| Emmetsburg | Palo Alto County | 3,684 | 4 | 921 |
| Epworth | Dubuque County | 1,978 | 2 | 989 |
| Essex | Page County | 739 | 2 | 370 |
| Estherville | Emmet County | 5,666 | 5 | 1133 |
| Evansdale | Black Hawk County | 4,743 | 4 | 1186 |
| Everly | Clay County | 550 | 1 | 550 |
| Exira | Audubon County | 769 | 1 | 769 |
| Exline | Appanoose County | 154 | 1 | 154 |
| Fairbank | Buchanan County / Fayette County | 1,133 | 1 | 1133 |
| Fairfax | Linn County | 2,856 | 3 | 952 |
| Fairfield | Jefferson County | 10,425 | 7 | 1489 |
| Farley | Dubuque County | 1,750 | 2 | 875 |
| Farmersburg | Clayton County | 268 | 0 | 0 |
| Farmington | Van Buren County | 622 | 0 | 0 |
| Farnhamville | Calhoun County / Webster County | 344 | 1 | 344 |
| Farragut | Fremont County | 446 | 0 | 0 |
| Fayette | Fayette County | 1,441 | 1 | 1441 |
| Fenton | Kossuth County | 233 | 0 | 0 |
| Ferguson | Marshall County | 122 | 0 | 0 |
| Fertile | Worth County | 360 | 1 | 360 |
| Floris | Davis County | 143 | 0 | 0 |
| Floyd | Floyd County | 315 | 1 | 315 |
| Fonda | Pocahontas County | 575 | 1 | 575 |
| Fontanelle | Adair County | 622 | 1 | 622 |
| Forest City | Hancock County / Winnebago County | 4,025 | 5 | 805 |
| Fort Atkinson | Winneshiek County | 320 | 0 | 0 |
| Fort Dodge | Webster County | 23,888 | 16 | 1493 |
| Fort Madison | Lee County | 10,321 | 10 | 1032 |
| Fostoria | Clay County | 223 | 0 | 0 |
| Franklin | Lee County | 132 | 0 | 0 |
| Fraser | Boone County | 103 | 1 | 103 |
| Fredericksburg | Chickasaw County | 923 | 1 | 923 |
| Frederika | Bremer County | 203 | 0 | 0 |
| Fredonia | Louisa County | 235 | 0 | 0 |
| Fremont | Mahaska County | 721 | 1 | 721 |
| Fruitland | Muscatine County | 982 | 2 | 491 |
| Galva | Ida County | 419 | 1 | 419 |
| Garden Grove | Decatur County | 197 | 1 | 197 |
| Garnavillo | Clayton County | 724 | 1 | 724 |
| Garner | Hancock County | 3,033 | 2 | 1517 |
| Garrison | Benton County | 360 | 0 | 0 |
| Garwin | Tama County | 493 | 1 | 493 |
| Geneva | Franklin County | 153 | 0 | 0 |
| George | Lyon County | 1,042 | 2 | 521 |
| Gilbert | Story County | 1,147 | 1 | 1147 |
| Gilbertville | Black Hawk County | 728 | 0 | 0 |
| Gilman | Marshall County | 484 | 1 | 484 |
| Gilmore City | Humboldt County / Pocahontas County | 469 | 1 | 469 |
| Gladbrook | Tama County | 858 | 1 | 858 |
| Glenwood | Mills County | 5,389 | 3 | 1796 |
| Glidden | Carroll County | 1,106 | 1 | 1106 |
| Goldfield | Wright County | 593 | 1 | 593 |
| Goodell | Hancock County | 128 | 0 | 0 |
| Goose Lake | Clinton County | 220 | 0 | 0 |
| Gowrie | Webster County | 953 | 1 | 953 |
| Graettinger | Palo Alto County | 795 | 1 | 795 |
| Grafton | Worth County | 244 | 0 | 0 |
| Grand Junction | Greene County | 773 | 1 | 773 |
| Grand Mound | Clinton County | 593 | 2 | 297 |
| Grand River | Decatur County | 215 | 0 | 0 |
| Grandview | Louisa County | 526 | 0 | 0 |
| Granger | Dallas County / Polk County | 1,508 | 2 | 754 |
| Granville | Sioux County | 304 | 0 | 0 |
| Gravity | Taylor County | 181 | 0 | 0 |
| Greeley | Delaware County | 242 | 0 | 0 |
| Green Mountain | Marshall County | 128 | 1 | 128 |
| Greene | Butler County / Floyd County | 1,063 | 1 | 1063 |
| Greenfield | Adair County | 1,838 | 2 | 919 |
| Grimes | Dallas County / Polk County | 14,804 | 12 | 1234 |
| Grinnell | Poweshiek County | 9,116 | 6 | 1519 |
| Griswold | Cass County | 944 | 1 | 944 |
| Grundy Center | Grundy County | 2,670 | 3 | 890 |
| Guthrie Center | Guthrie County | 1,494 | 2 | 747 |
| Guttenberg | Clayton County | 1,804 | 2 | 902 |
| Halbur | Carroll County | 256 | 0 | 0 |
| Hamburg | Fremont County | 1,060 | 1 | 1060 |
| Hamilton | Marion County | 134 | 1 | 134 |
| Hampton | Franklin County | 4,205 | 4 | 1051 |
| Hancock | Pottawattamie County | 196 | 1 | 196 |
| Hanlontown | Worth County | 220 | 1 | 220 |
| Harcourt | Webster County | 278 | 1 | 278 |
| Harlan | Shelby County | 4,766 | 4 | 1192 |
| Harper | Keokuk County | 110 | 0 | 0 |
| Harpers Ferry | Allamakee County | 323 | 1 | 323 |
| Harris | Osceola County | 157 | 1 | 157 |
| Hartford | Warren County | 777 | 1 | 777 |
| Hartley | O'Brien County | 1,574 | 1 | 1574 |
| Harvey | Marion County | 244 | 1 | 244 |
| Hastings | Mills County | 152 | 0 | 0 |
| Havelock | Pocahontas County | 124 | 1 | 124 |
| Haverhill | Marshall County | 167 | 0 | 0 |
| Hawarden | Sioux County | 2,444 | 3 | 815 |
| Hawkeye | Fayette County | 408 | 1 | 408 |
| Hazleton | Buchanan County | 833 | 1 | 833 |
| Hedrick | Keokuk County | 754 | 2 | 377 |
| Henderson | Mills County | 185 | 0 | 0 |
| Hiawatha | Linn County | 7,420 | 5 | 1484 |
| Hills | Johnson County | 804 | 1 | 804 |
| Hillsboro | Henry County | 177 | 1 | 177 |
| Hinton | Plymouth County | 948 | 1 | 948 |
| Holiday Lake | Poweshiek County | 356 | 2 | 178 |
| Holland | Grundy County | 277 | 0 | 0 |
| Holstein | Ida County | 1,370 | 2 | 685 |
| Holy Cross | Dubuque County | 368 | 0 | 0 |
| Homestead | Iowa County | 194 | 2 | 97 |
| Hopkinton | Delaware County | 597 | 1 | 597 |
| Hornick | Woodbury County | 218 | 0 | 0 |
| Hospers | Sioux County | 696 | 1 | 696 |
| Houghton | Lee County | 136 | 0 | 0 |
| Hubbard | Hardin County | 801 | 2 | 401 |
| Hudson | Black Hawk County | 2,468 | 8 | 309 |
| Hull | Sioux County | 2,299 | 1 | 2299 |
| Humboldt | Humboldt County | 4,587 | 5 | 917 |
| Humeston | Wayne County | 484 | 1 | 484 |
| Huxley | Story County | 4,036 | 3 | 1345 |
| Ida Grove | Ida County | 2,052 | 2 | 1026 |
| Independence | Buchanan County | 6,124 | 6 | 1021 |
| Indianola | Warren County | 16,015 | 11 | 1456 |
| Inwood | Lyon County | 849 | 1 | 849 |
| Ionia | Chickasaw County | 275 | 1 | 275 |
| Iowa City | Johnson County | 75,130 | 26 | 2890 |
| Iowa Falls | Hardin County | 5,059 | 5 | 1012 |
| Ireton | Sioux County | 599 | 1 | 599 |
| Irwin | Shelby County | 311 | 1 | 311 |
| Jamaica | Guthrie County | 218 | 0 | 0 |
| Janesville | Black Hawk County / Bremer County | 986 | 1 | 986 |
| Jefferson | Greene County | 4,102 | 6 | 684 |
| Jesup | Black Hawk County / Buchanan County | 2,703 | 2 | 1352 |
| Jewell Junction | Hamilton County | 1,139 | 4 | 285 |
| Johnston | Polk County | 22,582 | 17 | 1328 |
| Joice | Worth County | 210 | 1 | 210 |
| Kalona | Washington County | 2,537 | 2 | 1269 |
| Kamrar | Hamilton County | 190 | 1 | 190 |
| Kanawha | Hancock County | 595 | 2 | 298 |
| Kellerton | Ringgold County | 297 | 1 | 297 |
| Kelley | Story County | 300 | 1 | 300 |
| Kellogg | Jasper County | 588 | 0 | 0 |
| Kensett | Worth County | 256 | 2 | 128 |
| Keokuk | Lee County | 10,157 | 9 | 1129 |
| Keosauqua | Van Buren County | 908 | 1 | 908 |
| Keota | Keokuk County / Washington County | 971 | 1 | 971 |
| Keswick | Keokuk County | 241 | 0 | 0 |
| Keystone | Benton County | 612 | 0 | 0 |
| Kimballton | Audubon County | 280 | 1 | 280 |
| Kingsley | Plymouth County | 1,402 | 2 | 701 |
| Kirkville | Wapello County | 175 | 1 | 175 |
| Kiron | Crawford County | 266 | 0 | 0 |
| Klemme | Hancock County | 463 | 1 | 463 |
| Knoxville | Marion County | 7,168 | 5 | 1434 |
| La Motte | Jackson County | 254 | 0 | 0 |
| La Porte City | Black Hawk County | 2,240 | 3 | 747 |
| Lacona | Warren County | 352 | 0 | 0 |
| Ladora | Iowa County | 274 | 0 | 0 |
| Lake City | Calhoun County | 1,642 | 5 | 328 |
| Lake Mills | Winnebago County | 1,984 | 3 | 661 |
| Lake Panorama | Guthrie County | 1,086 | 7 | 155 |
| Lake Park | Dickinson County | 1,123 | 1 | 1123 |
| Lake View | Sac County | 1,084 | 2 | 542 |
| Lakeside | Buena Vista County | 689 | 0 | 0 |
| Lakota | Kossuth County | 279 | 1 | 279 |
| Lambs Grove | Jasper County | 169 | 0 | 0 |
| Lamoni | Decatur County | 2,249 | 4 | 562 |
| Lamont | Buchanan County | 457 | 1 | 457 |
| Lanesboro | Carroll County | 109 | 1 | 109 |
| Lansing | Allamakee County | 935 | 1 | 935 |
| Larchwood | Lyon County | 891 | 1 | 891 |
| Larrabee | Cherokee County | 131 | 0 | 0 |
| Latimer | Franklin County | 470 | 2 | 235 |
| Laurel | Marshall County | 231 | 0 | 0 |
| Laurens | Pocahontas County | 1,120 | 1 | 1120 |
| Lawler | Chickasaw County | 419 | 1 | 419 |
| Lawton | Woodbury County | 980 | 1 | 980 |
| Le Claire | Scott County | 3,965 | 5 | 793 |
| Le Grand | Marshall County / Tama County | 914 | 1 | 914 |
| Le Mars | Plymouth County | 10,081 | 9 | 1120 |
| Ledyard | Kossuth County | 120 | 0 | 0 |
| Lehigh | Webster County | 392 | 2 | 196 |
| Leighton | Mahaska County | 158 | 0 | 0 |
| Leland | Winnebago County | 271 | 1 | 271 |
| Lenox | Adams County / Taylor County | 1,389 | 2 | 695 |
| Leon | Decatur County | 1,823 | 3 | 608 |
| Lester | Lyon County | 302 | 2 | 151 |
| Letts | Louisa County | 373 | 1 | 373 |
| Lewis | Cass County | 399 | 1 | 399 |
| Libertyville | Jefferson County | 341 | 0 | 0 |
| Lidderdale | Carroll County | 171 | 2 | 86 |
| Lime Springs | Howard County | 474 | 1 | 474 |
| Lincoln | Tama County | 148 | 0 | 0 |
| Linden | Dallas County | 208 | 1 | 208 |
| Lineville | Wayne County | 220 | 1 | 220 |
| Linn Grove | Buena Vista County | 146 | 1 | 146 |
| Lisbon | Linn County | 2,247 | 2 | 1124 |
| Liscomb | Marshall County | 293 | 1 | 293 |
| Little Rock | Lyon County | 433 | 1 | 433 |
| Little Sioux | Harrison County | 161 | 0 | 0 |
| Livermore | Humboldt County | 362 | 1 | 362 |
| Lockridge | Jefferson County | 290 | 1 | 290 |
| Logan | Harrison County | 1,418 | 1 | 1418 |
| Lohrville | Calhoun County | 345 | 2 | 173 |
| Lone Rock | Kossuth County | 139 | 0 | 0 |
| Lone Tree | Johnson County | 1,381 | 1 | 1381 |
| Long Grove | Scott County | 872 | 1 | 872 |
| Lorimor | Union County | 343 | 0 | 0 |
| Lost Nation | Clinton County | 406 | 1 | 406 |
| Lovilia | Monroe County | 509 | 1 | 509 |
| Low Moor | Clinton County | 247 | 0 | 0 |
| Lowden | Cedar County | 773 | 1 | 773 |
| Lu Verne | Humboldt County / Kossuth County | 249 | 2 | 125 |
| Luana | Clayton County | 279 | 1 | 279 |
| Lucas | Lucas County | 209 | 1 | 209 |
| Luther | Boone County | 133 | 1 | 133 |
| Luxemburg | Dubuque County | 247 | 0 | 0 |
| Lynnville | Jasper County | 393 | 1 | 393 |
| Lytton | Calhoun County / Sac County | 289 | 0 | 0 |
| Macedonia | Pottawattamie County | 243 | 0 | 0 |
| Macksburg | Madison County | 118 | 2 | 59 |
| Madrid | Boone County | 2,549 | 1 | 2549 |
| Magnolia | Harrison County | 176 | 1 | 176 |
| Maharishi Vedic City | Jefferson County | 1,295 | 3 | 432 |
| Malcom | Poweshiek County | 272 | 1 | 272 |
| Mallard | Palo Alto County | 258 | 0 | 0 |
| Malvern | Mills County | 1,115 | 2 | 558 |
| Manchester | Delaware County | 4,986 | 5 | 997 |
| Manilla | Crawford County | 746 | 1 | 746 |
| Manly | Worth County | 1,278 | 1 | 1278 |
| Manning | Carroll County | 1,422 | 2 | 711 |
| Manson | Calhoun County | 1,566 | 3 | 522 |
| Mapleton | Monona County | 1,157 | 2 | 579 |
| Maquoketa | Clinton County / Jackson County | 5,990 | 4 | 1498 |
| Marathon | Buena Vista County | 227 | 1 | 227 |
| Marble Rock | Floyd County | 287 | 1 | 287 |
| Marcus | Cherokee County | 1,054 | 2 | 527 |
| Marengo | Iowa County | 2,466 | 2 | 1233 |
| Marion | Linn County | 40,359 | 18 | 2242 |
| Marne | Cass County | 112 | 1 | 112 |
| Marquette | Clayton County | 433 | 2 | 217 |
| Marshalltown | Marshall County | 26,666 | 19 | 1403 |
| Martelle | Jones County | 250 | 0 | 0 |
| Martensdale | Warren County | 461 | 0 | 0 |
| Martinsburg | Keokuk County | 109 | 0 | 0 |
| Mason City | Cerro Gordo County | 26,931 | 28 | 962 |
| Masonville | Delaware County | 120 | 0 | 0 |
| Massena | Cass County | 336 | 1 | 336 |
| Maurice | Sioux County | 271 | 1 | 271 |
| Maxwell | Story County | 903 | 1 | 903 |
| Maynard | Fayette County | 488 | 1 | 488 |
| Maysville | Scott County | 185 | 0 | 0 |
| McCallsburg | Story County | 320 | 0 | 0 |
| McCausland | Scott County | 311 | 1 | 311 |
| McClelland | Pottawattamie County | 155 | 0 | 0 |
| McGregor | Clayton County | 838 | 1 | 838 |
| McIntire | Mitchell County | 125 | 1 | 125 |
| Mechanicsville | Cedar County | 1,129 | 1 | 1129 |
| Mediapolis | Des Moines County | 1,517 | 1 | 1517 |
| Melbourne | Marshall County | 794 | 1 | 794 |
| Melcher-Dallas | Marion County | 1,244 | 1 | 1244 |
| Melrose | Monroe County | 104 | 1 | 104 |
| Melvin | Osceola County | 198 | 0 | 0 |
| Menlo | Guthrie County | 347 | 0 | 0 |
| Meriden | Cherokee County | 148 | 0 | 0 |
| Merrill | Plymouth County | 731 | 1 | 731 |
| Meservey | Cerro Gordo County | 238 | 2 | 119 |
| Middle Amana | Iowa County | 626 | 1 | 626 |
| Middletown | Des Moines County | 335 | 1 | 335 |
| Miles | Jackson County | 437 | 1 | 437 |
| Milford | Dickinson County | 2,997 | 2 | 1499 |
| Millersburg | Iowa County | 142 | 0 | 0 |
| Milo | Warren County | 761 | 1 | 761 |
| Milton | Van Buren County | 398 | 3 | 133 |
| Minburn | Dallas County | 352 | 0 | 0 |
| Minden | Pottawattamie County | 598 | 0 | 0 |
| Mineola | Mills County | 155 | 0 | 0 |
| Mingo | Jasper County | 309 | 1 | 309 |
| Missouri Valley | Harrison County | 2,615 | 3 | 872 |
| Mitchell | Mitchell County | 130 | 1 | 130 |
| Mitchellville | Jasper County / Polk County | 2,258 | 2 | 1129 |
| Modale | Harrison County | 264 | 1 | 264 |
| Mona | Mitchell County | 123 | 1 | 123 |
| Mondamin | Harrison County | 374 | 0 | 0 |
| Monmouth | Jackson County | 154 | 1 | 154 |
| Monona | Clayton County | 1,471 | 1 | 1471 |
| Monroe | Jasper County | 1,894 | 2 | 947 |
| Montezuma | Poweshiek County | 1,412 | 2 | 706 |
| Monticello | Jones County | 3,880 | 6 | 647 |
| Montour | Tama County | 243 | 0 | 0 |
| Montrose | Lee County | 778 | 1 | 778 |
| Moorhead | Monona County | 204 | 0 | 0 |
| Moorland | Webster County | 156 | 1 | 156 |
| Moravia | Appanoose County / Monroe County | 636 | 1 | 636 |
| Morley | Jones County | 113 | 0 | 0 |
| Morning Sun | Louisa County | 796 | 1 | 796 |
| Moulton | Appanoose County | 578 | 1 | 578 |
| Mount Auburn | Benton County | 144 | 0 | 0 |
| Mount Ayr | Ringgold County | 1,619 | 3 | 540 |
| Mount Pleasant | Henry County | 8,668 | 9 | 963 |
| Mount Union | Henry County | 121 | 0 | 0 |
| Mount Vernon | Linn County | 4,466 | 3 | 1489 |
| Moville | Woodbury County | 1,635 | 1 | 1635 |
| Murray | Clarke County | 702 | 1 | 702 |
| Muscatine | Muscatine County | 23,631 | 18 | 1313 |
| Mystic | Appanoose County | 409 | 3 | 136 |
| Nashua | Chickasaw County / Floyd County | 1,589 | 3 | 530 |
| Neola | Pottawattamie County | 891 | 1 | 891 |
| Nevada | Story County | 6,677 | 6 | 1113 |
| New Albin | Allamakee County | 499 | 0 | 0 |
| New Hampton | Chickasaw County | 3,406 | 3 | 1135 |
| New Hartford | Butler County | 488 | 1 | 488 |
| New Liberty | Scott County | 144 | 0 | 0 |
| New London | Henry County | 1,839 | 1 | 1839 |
| New Market | Taylor County | 401 | 0 | 0 |
| New Providence | Hardin County | 223 | 1 | 223 |
| New Sharon | Mahaska County | 1,293 | 1 | 1293 |
| New Vienna | Dubuque County | 411 | 0 | 0 |
| New Virginia | Warren County | 491 | 0 | 0 |
| Newell | Buena Vista County | 852 | 1 | 852 |
| Newhall | Benton County | 858 | 0 | 0 |
| Newton | Jasper County | 15,182 | 11 | 1380 |
| Nichols | Muscatine County | 362 | 0 | 0 |
| Nodaway | Adams County | 103 | 1 | 103 |
| Nora Springs | Cerro Gordo County / Floyd County | 1,354 | 2 | 677 |
| North Buena Vista | Clayton County | 121 | 1 | 121 |
| North English | Iowa County / Keokuk County | 1,007 | 1 | 1007 |
| North Liberty | Johnson County | 19,501 | 9 | 2167 |
| North Washington | Chickasaw County | 138 | 0 | 0 |
| Northwood | Worth County | 1,955 | 4 | 489 |
| Norwalk | Polk County / Warren County | 11,938 | 12 | 995 |
| Norway | Benton County | 528 | 0 | 0 |
| Oakland | Pottawattamie County | 1,501 | 2 | 751 |
| Oakland Acres | Jasper County | 159 | 0 | 0 |
| Oakville | Louisa County | 169 | 0 | 0 |
| Ocheyedan | Osceola County | 459 | 1 | 459 |
| Odebolt | Sac County | 943 | 1 | 943 |
| Oelwein | Fayette County | 5,900 | 5 | 1180 |
| Ogden | Boone County | 1,979 | 1 | 1979 |
| Okoboji | Dickinson County | 792 | 2 | 396 |
| Olds | Henry County | 223 | 0 | 0 |
| Olin | Jones County | 687 | 1 | 687 |
| Ollie | Keokuk County | 210 | 1 | 210 |
| Onawa | Monona County | 2,764 | 5 | 553 |
| Onslow | Jones County | 193 | 0 | 0 |
| Orange City | Sioux County | 6,182 | 4 | 1546 |
| Orient | Adair County | 377 | 0 | 0 |
| Orleans | Dickinson County | 587 | 1 | 587 |
| Osage | Mitchell County | 3,555 | 2 | 1778 |
| Osceola | Clarke County | 5,242 | 7 | 749 |
| Oskaloosa | Mahaska County | 11,506 | 8 | 1438 |
| Ossian | Winneshiek County | 778 | 1 | 778 |
| Otho | Webster County | 507 | 0 | 0 |
| Oto | Woodbury County | 103 | 0 | 0 |
| Ottumwa | Wapello County | 24,368 | 16 | 1523 |
| Oxford | Johnson County | 792 | 1 | 792 |
| Oxford Junction | Jones County | 483 | 1 | 483 |
| Oyens | Plymouth County | 102 | 0 | 0 |
| Pacific Junction | Mills County | 342 | 1 | 342 |
| Packwood | Jefferson County | 227 | 1 | 227 |
| Palmer | Pocahontas County | 149 | 0 | 0 |
| Palo | Linn County | 1,066 | 1 | 1066 |
| Panama | Shelby County | 208 | 0 | 0 |
| Panora | Guthrie County | 1,067 | 2 | 534 |
| Panorama Park | Scott County | 319 | 0 | 0 |
| Park View | Scott County | 2,627 | 1 | 2627 |
| Parkersburg | Butler County | 1,928 | 1 | 1928 |
| Parnell | Iowa County | 264 | 0 | 0 |
| Paton | Greene County | 230 | 1 | 230 |
| Patterson | Madison County | 161 | 0 | 0 |
| Paullina | O'Brien County | 977 | 1 | 977 |
| Pella | Mahaska County / Marion County | 10,237 | 9 | 1137 |
| Peosta | Dubuque County | 1,857 | 2 | 929 |
| Perry | Dallas County | 7,676 | 5 | 1535 |
| Persia | Harrison County | 287 | 0 | 0 |
| Peterson | Clay County | 309 | 1 | 309 |
| Pierson | Woodbury County | 354 | 1 | 354 |
| Pilot Mound | Boone County | 168 | 1 | 168 |
| Pisgah | Harrison County | 240 | 1 | 240 |
| Plainfield | Bremer County | 414 | 0 | 0 |
| Pleasant Hill | Polk County | 10,019 | 10 | 1002 |
| Pleasantville | Marion County | 1,696 | 3 | 565 |
| Plymouth | Cerro Gordo County | 362 | 0 | 0 |
| Pocahontas | Pocahontas County | 1,634 | 2 | 817 |
| Polk City | Polk County | 4,961 | 5 | 992 |
| Pomeroy | Calhoun County | 613 | 2 | 307 |
| Portsmouth | Shelby County | 178 | 0 | 0 |
| Postville | Allamakee County / Clayton County | 2,053 | 2 | 1027 |
| Prairie City | Jasper County | 1,718 | 1 | 1718 |
| Prairieburg | Linn County | 188 | 0 | 0 |
| Prescott | Adams County | 237 | 0 | 0 |
| Preston | Jackson County | 959 | 1 | 959 |
| Primghar | O'Brien County | 856 | 1 | 856 |
| Princeton | Scott County | 946 | 3 | 315 |
| Promise City | Wayne County | 108 | 0 | 0 |
| Protivin | Chickasaw County / Howard County | 270 | 0 | 0 |
| Pulaski | Davis County | 289 | 1 | 289 |
| Quasqueton | Buchanan County | 564 | 1 | 564 |
| Quimby | Cherokee County | 292 | 0 | 0 |
| Radcliffe | Hardin County | 524 | 1 | 524 |
| Rake | Winnebago County | 209 | 1 | 209 |
| Randall | Hamilton County | 163 | 0 | 0 |
| Randolph | Fremont County | 155 | 0 | 0 |
| Raymond | Black Hawk County | 793 | 2 | 397 |
| Readlyn | Bremer County | 846 | 0 | 0 |
| Reasnor | Jasper County | 155 | 1 | 155 |
| Red Oak | Montgomery County | 5,276 | 4 | 1319 |
| Redfield | Dallas County | 816 | 1 | 816 |
| Reinbeck | Grundy County | 1,626 | 2 | 813 |
| Rembrandt | Buena Vista County | 194 | 0 | 0 |
| Remsen | Plymouth County | 1,617 | 1 | 1617 |
| Renwick | Humboldt County | 262 | 1 | 262 |
| Rhodes | Marshall County | 297 | 1 | 297 |
| Riceville | Howard County / Mitchell County | 764 | 1 | 764 |
| Richland | Keokuk County | 574 | 1 | 574 |
| Rickardsville | Dubuque County | 176 | 1 | 176 |
| Ricketts | Crawford County | 135 | 0 | 0 |
| Ridgeway | Winneshiek County | 287 | 1 | 287 |
| Ringsted | Emmet County | 370 | 1 | 370 |
| Rippey | Greene County | 273 | 1 | 273 |
| River Sioux | Harrison County | 112 | 0 | 0 |
| Riverdale | Scott County | 435 | 2 | 218 |
| Riverside | Washington County | 1,022 | 2 | 511 |
| Riverton | Fremont County | 279 | 1 | 279 |
| Robins | Linn County | 3,537 | 6 | 590 |
| Rock Falls | Cerro Gordo County | 143 | 0 | 0 |
| Rock Rapids | Lyon County | 2,522 | 4 | 631 |
| Rock Valley | Sioux County | 3,854 | 4 | 964 |
| Rockford | Floyd County | 822 | 1 | 822 |
| Rockwell | Cerro Gordo County | 990 | 3 | 330 |
| Rockwell City | Calhoun County | 2,082 | 4 | 521 |
| Roland | Story County | 1,254 | 1 | 1254 |
| Rolfe | Pocahontas County | 532 | 1 | 532 |
| Rome | Henry County | 116 | 0 | 0 |
| Rose Hill | Mahaska County | 163 | 0 | 0 |
| Rowan | Wright County | 150 | 0 | 0 |
| Rowley | Buchanan County | 270 | 0 | 0 |
| Royal | Clay County | 409 | 0 | 0 |
| Rudd | Floyd County | 346 | 1 | 346 |
| Runnells | Polk County | 504 | 0 | 0 |
| Russell | Lucas County | 536 | 1 | 536 |
| Ruthven | Palo Alto County | 682 | 0 | 0 |
| Rutland | Humboldt County | 122 | 1 | 122 |
| Ryan | Delaware County | 346 | 0 | 0 |
| Sabula | Jackson County | 554 | 0 | 0 |
| Sac City | Sac County | 2,068 | 5 | 414 |
| Sageville | Dubuque County | 101 | 1 | 101 |
| Salem | Henry County | 384 | 1 | 384 |
| Salix | Woodbury County | 387 | 2 | 194 |
| Sanborn | O'Brien County | 1,381 | 2 | 691 |
| Saylorville | Polk County | 3,715 | 7 | 531 |
| Schaller | Sac County | 723 | 1 | 723 |
| Schleswig | Crawford County | 857 | 1 | 857 |
| Scranton | Greene County | 524 | 2 | 262 |
| Searsboro | Poweshiek County | 147 | 0 | 0 |
| Sergeant Bluff | Woodbury County | 5,127 | 3 | 1709 |
| Seymour | Wayne County | 701 | 2 | 351 |
| Shambaugh | Page County | 179 | 0 | 0 |
| Sheffield | Franklin County | 1,106 | 6 | 184 |
| Shelby | Pottawattamie County / Shelby County | 612 | 2 | 306 |
| Sheldahl | Boone County / Polk County / Story County | 321 | 1 | 321 |
| Sheldon | O'Brien County / Sioux County | 5,082 | 5 | 1016 |
| Shell Rock | Butler County | 1,275 | 2 | 638 |
| Shellsburg | Benton County | 972 | 1 | 972 |
| Shenandoah | Fremont County / Page County | 4,820 | 4 | 1205 |
| Sherrill | Dubuque County | 178 | 0 | 0 |
| Shueyville | Johnson County | 655 | 2 | 328 |
| Sibley | Osceola County | 2,574 | 2 | 1287 |
| Sidney | Fremont County | 1,047 | 1 | 1047 |
| Sigourney | Keokuk County | 2,017 | 2 | 1009 |
| Silver City | Mills County | 246 | 0 | 0 |
| Sioux Center | Sioux County | 7,605 | 6 | 1268 |
| Sioux City | Plymouth County / Woodbury County | 82,651 | 58 | 1425 |
| Sioux Rapids | Buena Vista County | 744 | 1 | 744 |
| Slater | Boone County / Story County | 1,458 | 2 | 729 |
| Sloan | Woodbury County | 987 | 1 | 987 |
| Smithland | Woodbury County | 227 | 0 | 0 |
| Soldier | Monona County | 164 | 0 | 0 |
| Solon | Johnson County | 2,690 | 1 | 2690 |
| Somers | Calhoun County | 106 | 0 | 0 |
| South Amana | Iowa County | 110 | 1 | 110 |
| South English | Keokuk County | 207 | 0 | 0 |
| Spencer | Clay County | 10,952 | 11 | 996 |
| Spillville | Winneshiek County | 344 | 0 | 0 |
| Spirit Lake | Dickinson County | 5,155 | 4 | 1289 |
| Springbrook | Jackson County | 146 | 1 | 146 |
| Springville | Linn County | 1,137 | 1 | 1137 |
| St. Ansgar | Mitchell County | 1,120 | 1 | 1120 |
| St. Charles | Madison County | 619 | 1 | 619 |
| St. Donatus | Jackson County | 129 | 0 | 0 |
| St. Joseph | Kossuth County | 154 | 1 | 154 |
| St. Lucas | Fayette County | 136 | 0 | 0 |
| St. Marys | Warren County | 127 | 0 | 0 |
| St. Olaf | Clayton County | 101 | 0 | 0 |
| St. Paul | Lee County | 124 | 0 | 0 |
| Stacyville | Mitchell County | 463 | 1 | 463 |
| Stanhope | Hamilton County | 396 | 1 | 396 |
| Stanley | Buchanan County / Fayette County | 120 | 0 | 0 |
| Stanton | Montgomery County | 643 | 1 | 643 |
| Stanwood | Cedar County | 658 | 1 | 658 |
| State Center | Marshall County | 1,436 | 1 | 1436 |
| Steamboat Rock | Hardin County | 302 | 1 | 302 |
| Stockport | Van Buren County | 276 | 1 | 276 |
| Stockton | Muscatine County | 191 | 0 | 0 |
| Stone City | Jones County | 300 | 2 | 150 |
| Storm Lake | Buena Vista County | 10,322 | 5 | 2064 |
| Story City | Story County | 3,320 | 3 | 1107 |
| Stout | Grundy County | 212 | 0 | 0 |
| Stratford | Hamilton County / Webster County | 699 | 2 | 350 |
| Strawberry Point | Clayton County | 1,218 | 2 | 609 |
| Stuart | Adair County / Guthrie County | 1,728 | 3 | 576 |
| Sully | Jasper County | 831 | 1 | 831 |
| Sumner | Bremer County / Fayette County | 1,962 | 2 | 981 |
| Sun Valley Lake | Ringgold County | 270 | 2 | 135 |
| Superior | Dickinson County | 119 | 0 | 0 |
| Sutherland | O'Brien County | 596 | 1 | 596 |
| Swaledale | Cerro Gordo County | 158 | 0 | 0 |
| Swea City | Kossuth County | 507 | 1 | 507 |
| Swisher | Johnson County | 953 | 1 | 953 |
| Tabor | Fremont County / Mills County | 989 | 1 | 989 |
| Tama | Tama County | 2,732 | 3 | 911 |
| Templeton | Carroll County | 334 | 0 | 0 |
| Terril | Dickinson County | 336 | 1 | 336 |
| Thompson | Winnebago County | 469 | 1 | 469 |
| Thor | Humboldt County | 181 | 1 | 181 |
| Thornton | Cerro Gordo County | 402 | 1 | 402 |
| Thurman | Fremont County | 214 | 1 | 214 |
| Tiffin | Johnson County | 4,157 | 4 | 1039 |
| Tingley | Ringgold County | 173 | 1 | 173 |
| Tipton | Cedar County | 3,223 | 2 | 1612 |
| Titonka | Kossuth County | 443 | 0 | 0 |
| Toledo | Tama County | 2,143 | 2 | 1072 |
| Toronto | Clinton County | 117 | 0 | 0 |
| Traer | Tama County | 1,596 | 1 | 1596 |
| Treynor | Pottawattamie County | 965 | 1 | 965 |
| Tripoli | Bremer County | 1,360 | 1 | 1360 |
| Truro | Madison County | 491 | 1 | 491 |
| Twin Lakes | Calhoun County | 208 | 1 | 208 |
| Underwood | Pottawattamie County | 956 | 1 | 956 |
| Union | Hardin County | 381 | 1 | 381 |
| University Heights | Johnson County | 1,026 | 0 | 0 |
| University Park | Mahaska County | 469 | 1 | 469 |
| Urbana | Benton County | 1,494 | 2 | 747 |
| Urbandale | Dallas County / Polk County | 44,379 | 22 | 2017 |
| Ute | Monona County | 339 | 0 | 0 |
| Vail | Crawford County | 417 | 1 | 417 |
| Van Horne | Benton County | 656 | 1 | 656 |
| Van Meter | Dallas County | 1,292 | 2 | 646 |
| Van Wert | Decatur County | 204 | 0 | 0 |
| Ventura | Cerro Gordo County | 713 | 2 | 357 |
| Victor | Iowa County / Poweshiek County | 868 | 0 | 0 |
| Villisca | Montgomery County | 1,142 | 2 | 571 |
| Vincent | Webster County | 161 | 0 | 0 |
| Vinton | Benton County | 5,075 | 5 | 1015 |
| Volga | Clayton County | 196 | 1 | 196 |
| Wadena | Fayette County | 240 | 1 | 240 |
| Wahpeton | Dickinson County | 345 | 1 | 345 |
| Walcott | Muscatine County / Scott County | 1,634 | 3 | 545 |
| Walford | Benton County / Linn County | 1,445 | 1 | 1445 |
| Walker | Linn County | 789 | 1 | 789 |
| Wall Lake | Sac County | 769 | 1 | 769 |
| Wallingford | Emmet County | 173 | 1 | 173 |
| Walnut | Pottawattamie County | 769 | 2 | 385 |
| Wapello | Louisa County | 1,999 | 1 | 1999 |
| Washburn | Black Hawk County | 800 | 1 | 800 |
| Washington | Washington County | 7,230 | 5 | 1446 |
| Washta | Cherokee County | 223 | 1 | 223 |
| Waterloo | Black Hawk County | 67,328 | 61 | 1104 |
| Waterville | Allamakee County | 144 | 0 | 0 |
| Watkins | Benton County | 136 | 0 | 0 |
| Waucoma | Fayette County | 245 | 0 | 0 |
| Waukee | Dallas County | 24,089 | 21 | 1147 |
| Waukon | Allamakee County | 3,625 | 3 | 1208 |
| Waverly | Bremer County | 10,198 | 11 | 927 |
| Wayland | Henry County | 943 | 1 | 943 |
| Webb | Clay County | 128 | 1 | 128 |
| Webster City | Hamilton County | 7,671 | 9 | 852 |
| Weldon | Decatur County | 115 | 0 | 0 |
| Wellman | Washington County | 1,395 | 1 | 1395 |
| Wellsburg | Grundy County | 687 | 1 | 687 |
| Welton | Clinton County | 148 | 0 | 0 |
| Wesley | Kossuth County | 365 | 1 | 365 |
| West Amana | Iowa County | 269 | 0 | 0 |
| West Bend | Kossuth County / Palo Alto County | 748 | 1 | 748 |
| West Branch | Cedar County / Johnson County | 2,492 | 3 | 831 |
| West Burlington | Des Moines County | 2,890 | 5 | 578 |
| West Chester | Washington County | 147 | 0 | 0 |
| West Des Moines | Dallas County / Madison County / Polk County / Warren County | 67,899 | 47 | 1445 |
| West Liberty | Muscatine County | 3,766 | 2 | 1883 |
| West Okoboji | Dickinson County | 291 | 1 | 291 |
| West Point | Lee County | 930 | 1 | 930 |
| West Union | Fayette County | 2,305 | 3 | 768 |
| Westfield | Plymouth County | 128 | 0 | 0 |
| Westgate | Fayette County | 198 | 0 | 0 |
| Westphalia | Shelby County | 118 | 0 | 0 |
| Westside | Crawford County | 289 | 1 | 289 |
| Westwood | Henry County | 110 | 0 | 0 |
| What Cheer | Keokuk County | 624 | 1 | 624 |
| Wheatland | Clinton County | 723 | 1 | 723 |
| Whiting | Monona County | 723 | 1 | 723 |
| Whittemore | Kossuth County | 476 | 0 | 0 |
| Whitten | Hardin County | 145 | 0 | 0 |
| Williams | Hamilton County | 320 | 1 | 320 |
| Williamsburg | Iowa County | 3,164 | 3 | 1055 |
| Williamson | Lucas County | 154 | 0 | 0 |
| Wilton | Cedar County / Muscatine County | 2,824 | 2 | 1412 |
| Windsor Heights | Polk County | 4,809 | 1 | 4809 |
| Winfield | Henry County | 1,088 | 1 | 1088 |
| Winterset | Madison County | 5,383 | 5 | 1077 |
| Winthrop | Buchanan County | 849 | 1 | 849 |
| Wiota | Cass County | 107 | 0 | 0 |
| Woden | Hancock County | 206 | 0 | 0 |
| Woodbine | Harrison County | 1,385 | 1 | 1385 |
| Woodburn | Clarke County | 194 | 1 | 194 |
| Woodward | Boone County / Dallas County | 1,448 | 4 | 362 |
| Woolstock | Wright County | 161 | 1 | 161 |
| Worthington | Dubuque County | 395 | 0 | 0 |
| Wyoming | Jones County | 515 | 1 | 515 |
| Yale | Guthrie County | 239 | 0 | 0 |
| Zearing | Story County | 518 | 1 | 518 |
| Totals: | 2,533,258 |
