| City | County | Population (2017) |
Land Ares Square Miles |
Density per Sq Mile |
|---|---|---|---|---|
| Old Greenwich | Fairfield County | 6,860 | 2 | 3430 |
| Pemberwick | Fairfield County | 4,281 | 1 | 4281 |
| Redding | Fairfield County | 9,116 | 32 | 285 |
| Ridgefield | Fairfield County | 24,959 | 35 | 713 |
| Ridgefield (CDP) | Fairfield County | 7,929 | 6 | 1322 |
| Riverside | Fairfield County | 8,385 | 2 | 4193 |
| Shelton | Fairfield County | 41,129 | 31 | 1327 |
| Shelton (Town) | Fairfield County | 41,129 | 31 | 1327 |
| Sherman | Fairfield County | 3,630 | 22 | 165 |
| Southport | Fairfield County | 1,687 | 1 | 1687 |
| Stamford | Fairfield County | 129,638 | 38 | 3412 |
| Stamford (Town) | Fairfield County | 129,638 | 38 | 3412 |
| Stratford | Fairfield County | 51,849 | 17 | 3050 |
| Stratford (CDP) | Fairfield County | 52,529 | 17 | 3090 |
| Bethel | Fairfield County | 19,800 | 17 | 1165 |
| Trumbull | Fairfield County | 35,673 | 23 | 1551 |
| Bethel (CDP) | Fairfield County | 9,780 | 4 | 2445 |
| Trumbull (CDP) | Fairfield County | 36,455 | 23 | 1585 |
| Bridgeport | Fairfield County | 144,399 | 16 | 9025 |
| Bridgeport (Town) | Fairfield County | 144,399 | 16 | 9025 |
| Brookfield | Fairfield County | 16,973 | 20 | 849 |
| Byram | Fairfield County | 4,601 | 1 | 4601 |
| Weston | Fairfield County | 10,252 | 20 | 513 |
| Westport | Fairfield County | 28,491 | 20 | 1425 |
| Westport (CDP) | Fairfield County | 27,777 | 20 | 1389 |
| Wilton | Fairfield County | 18,343 | 27 | 679 |
| Wilton Center | Fairfield County | 675 | 0 | 0 |
| Cos Cob | Fairfield County | 6,840 | 2 | 3420 |
| Danbury | Fairfield County | 84,694 | 42 | 2017 |
| Danbury (Town) | Fairfield County | 84,694 | 42 | 2017 |
| Darien | Fairfield County | 21,728 | 13 | 1671 |
| Darien (CDP) | Fairfield County | 21,742 | 13 | 1672 |
| Easton | Fairfield County | 7,521 | 27 | 279 |
| Fairfield | Fairfield County | 62,045 | 30 | 2068 |
| Georgetown | Fairfield County | 1,869 | 3 | 623 |
| Glenville | Fairfield County | 2,264 | 1 | 2264 |
| Greenwich | Fairfield County | 62,840 | 48 | 1309 |
| Greenwich (CDP) | Fairfield County | 13,399 | 4 | 3350 |
| Monroe | Fairfield County | 19,434 | 26 | 747 |
| New Canaan | Fairfield County | 20,233 | 22 | 920 |
| New Fairfield | Fairfield County | 13,878 | 20 | 694 |
| Newtown | Fairfield County | 1,960 | 2 | 980 |
| Newtown (Town) | Fairfield County | 27,891 | 58 | 481 |
| Norwalk | Fairfield County | 88,816 | 23 | 3862 |
| Norwalk (Town) | Fairfield County | 88,816 | 23 | 3862 |
| Plainville | Hartford County | 17,534 | 10 | 1753 |
| Plantsville | Hartford County | 1,742 | 1 | 1742 |
| Rocky Hill | Hartford County | 20,115 | 13 | 1547 |
| Salmon Brook | Hartford County | 2,549 | 3 | 850 |
| Sherwood Manor | Hartford County | 5,443 | 3 | 1814 |
| Simsbury | Hartford County | 25,395 | 34 | 747 |
| Simsbury Center | Hartford County | 6,077 | 5 | 1215 |
| Southington | Hartford County | 43,834 | 36 | 1218 |
| South Windsor | Hartford County | 26,162 | 28 | 934 |
| Southwood Acres | Hartford County | 7,816 | 4 | 1954 |
| Suffield | Hartford County | 15,814 | 42 | 377 |
| Suffield Depot | Hartford County | 1,315 | 2 | 658 |
| Tariffville | Hartford County | 1,226 | 1 | 1226 |
| Terramuggus | Hartford County | 1,018 | 1 | 1018 |
| Avon | Hartford County | 18,276 | 23 | 795 |
| Thompsonville | Hartford County | 8,328 | 2 | 4164 |
| Berlin | Hartford County | 20,436 | 26 | 786 |
| Bloomfield | Hartford County | 21,211 | 26 | 816 |
| Blue Hills | Hartford County | 3,258 | 1 | 3258 |
| Bristol | Hartford County | 59,947 | 26 | 2306 |
| Bristol (Town) | Hartford County | 59,947 | 26 | 2306 |
| Broad Brook | Hartford County | 4,687 | 6 | 781 |
| Weatogue | Hartford County | 2,935 | 3 | 978 |
| Burlington | Hartford County | 9,704 | 30 | 323 |
| West Hartford | Hartford County | 62,965 | 22 | 2862 |
| West Hartford (CDP) | Hartford County | 63,360 | 22 | 2880 |
| Canton | Hartford County | 10,254 | 25 | 410 |
| Canton Valley | Hartford County | 1,489 | 2 | 745 |
| West Simsbury | Hartford County | 2,387 | 4 | 597 |
| Wethersfield | Hartford County | 26,008 | 12 | 2167 |
| Wethersfield (CDP) | Hartford County | 26,395 | 12 | 2200 |
| Windsor | Hartford County | 28,733 | 30 | 958 |
| Windsor Locks | Hartford County | 12,854 | 9 | 1428 |
| Collinsville | Hartford County | 3,551 | 3 | 1184 |
| Windsor Locks (CDP) | Hartford County | 12,563 | 9 | 1396 |
| East Granby | Hartford County | 5,140 | 18 | 286 |
| East Hartford | Hartford County | 49,872 | 18 | 2771 |
| East Hartford (CDP) | Hartford County | 50,812 | 18 | 2823 |
| East Windsor | Hartford County | 11,668 | 26 | 449 |
| Enfield | Hartford County | 43,659 | 33 | 1323 |
| Farmington | Hartford County | 25,497 | 28 | 911 |
| Glastonbury | Hartford County | 34,482 | 51 | 676 |
| Glastonbury Center | Hartford County | 7,451 | 5 | 1490 |
| Granby | Hartford County | 11,507 | 41 | 281 |
| Hartford | Hartford County | 122,105 | 17 | 7183 |
| Hartford (Town) | Hartford County | 122,105 | 17 | 7183 |
| Hartland | Hartford County | 2,120 | 33 | 64 |
| Hazardville | Hartford County | 5,174 | 3 | 1725 |
| Kensington | Hartford County | 8,433 | 5 | 1687 |
| Manchester | Hartford County | 57,584 | 27 | 2133 |
| Manchester (CDP) | Hartford County | 30,021 | 6 | 5004 |
| Marlborough | Hartford County | 6,335 | 23 | 275 |
| New Britain | Hartford County | 72,495 | 13 | 5577 |
| New Britain (Town) | Hartford County | 72,495 | 13 | 5577 |
| Newington | Hartford County | 30,014 | 13 | 2309 |
| Newington (CDP) | Hartford County | 30,603 | 13 | 2354 |
| North Granby | Hartford County | 1,522 | 8 | 190 |
| Oakville | Litchfield County | 8,918 | 3 | 2973 |
| Plymouth | Litchfield County | 11,598 | 22 | 527 |
| Roxbury | Litchfield County | 2,152 | 26 | 83 |
| Salisbury | Litchfield County | 3,600 | 57 | 63 |
| Sharon | Litchfield County | 2,689 | 59 | 46 |
| Sharon (CDP) | Litchfield County | 725 | 3 | 242 |
| Terryville | Litchfield County | 5,192 | 3 | 1731 |
| Thomaston | Litchfield County | 7,535 | 12 | 628 |
| Thomaston (CDP) | Litchfield County | 1,799 | 1 | 1799 |
| Bantam | Litchfield County | 727 | 1 | 727 |
| Barkhamsted | Litchfield County | 3,606 | 36 | 100 |
| Torrington | Litchfield County | 34,044 | 40 | 851 |
| Torrington (Town) | Litchfield County | 34,044 | 40 | 851 |
| Bethlehem | Litchfield County | 3,402 | 19 | 179 |
| Bethlehem Village | Litchfield County | 1,923 | 8 | 240 |
| Warren | Litchfield County | 1,395 | 26 | 54 |
| Washington | Litchfield County | 3,428 | 38 | 90 |
| Bridgewater | Litchfield County | 1,635 | 16 | 102 |
| Watertown | Litchfield County | 21,578 | 29 | 744 |
| Watertown (CDP) | Litchfield County | 3,608 | 2 | 1804 |
| Canaan | Litchfield County | 1,053 | 33 | 32 |
| Canaan (CDP) | Litchfield County | 1,123 | 2 | 562 |
| Winchester | Litchfield County | 10,604 | 33 | 321 |
| Colebrook | Litchfield County | 1,400 | 32 | 44 |
| Winsted | Litchfield County | 7,482 | 5 | 1496 |
| Cornwall | Litchfield County | 1,362 | 46 | 30 |
| Woodbury | Litchfield County | 9,502 | 36 | 264 |
| Woodbury Center | Litchfield County | 1,545 | 2 | 773 |
| Falls Village | Litchfield County | 424 | 2 | 212 |
| Goshen | Litchfield County | 2,863 | 44 | 65 |
| Harwinton | Litchfield County | 5,420 | 31 | 175 |
| Kent | Litchfield County | 2,777 | 49 | 57 |
| Lakeville | Litchfield County | 885 | 3 | 295 |
| Litchfield | Litchfield County | 1,205 | 1 | 1205 |
| Litchfield (Town) | Litchfield County | 8,094 | 56 | 145 |
| Morris | Litchfield County | 2,254 | 17 | 133 |
| New Hartford | Litchfield County | 6,656 | 37 | 180 |
| New Hartford Center | Litchfield County | 1,161 | 3 | 387 |
| New Milford | Litchfield County | 26,805 | 62 | 432 |
| New Milford (CDP) | Litchfield County | 7,073 | 3 | 2358 |
| New Preston | Litchfield County | 932 | 7 | 133 |
| Norfolk | Litchfield County | 1,630 | 45 | 36 |
| Norfolk (CDP) | Litchfield County | 426 | 1 | 426 |
| North Canaan | Litchfield County | 3,251 | 19 | 171 |
| Northwest Harwinton | Litchfield County | 3,216 | 9 | 357 |
| Old Saybrook | Middlesex County | 10,061 | 15 | 671 |
| Old Saybrook Center | Middlesex County | 1,981 | 2 | 991 |
| Portland | Middlesex County | 9,267 | 23 | 403 |
| Portland (CDP) | Middlesex County | 5,595 | 6 | 933 |
| Saybrook Manor | Middlesex County | 1,055 | 1 | 1055 |
| Westbrook | Middlesex County | 6,869 | 16 | 429 |
| Westbrook Center | Middlesex County | 1,768 | 2 | 884 |
| Chester | Middlesex County | 4,213 | 16 | 263 |
| Chester Center | Middlesex County | 1,760 | 2 | 880 |
| Clinton | Middlesex County | 12,925 | 16 | 808 |
| Clinton (CDP) | Middlesex County | 3,576 | 2 | 1788 |
| Cromwell | Middlesex County | 13,839 | 12 | 1153 |
| Deep River | Middlesex County | 4,443 | 14 | 317 |
| Deep River Center | Middlesex County | 2,435 | 3 | 812 |
| Durham | Middlesex County | 7,165 | 24 | 299 |
| Durham (CDP) | Middlesex County | 2,777 | 6 | 463 |
| East Haddam | Middlesex County | 8,997 | 54 | 167 |
| East Hampton | Middlesex County | 12,800 | 36 | 356 |
| East Hampton (CDP) | Middlesex County | 2,791 | 3 | 930 |
| Essex | Middlesex County | 6,668 | 10 | 667 |
| Essex Village | Middlesex County | 2,477 | 4 | 619 |
| Haddam | Middlesex County | 8,193 | 44 | 186 |
| Higganum | Middlesex County | 1,708 | 5 | 342 |
| Killingworth | Middlesex County | 6,364 | 35 | 182 |
| Lake Pocotopaug | Middlesex County | 3,479 | 3 | 1160 |
| Middlefield | Middlesex County | 4,374 | 13 | 336 |
| Middletown | Middlesex County | 46,258 | 41 | 1128 |
| Middletown (Town) | Middlesex County | 46,258 | 41 | 1128 |
| Moodus | Middlesex County | 1,076 | 3 | 359 |
| Orange | New Haven County | 13,926 | 17 | 819 |
| Orange (CDP) | New Haven County | 13,981 | 17 | 822 |
| Oxford | New Haven County | 13,255 | 33 | 402 |
| Prospect | New Haven County | 9,702 | 14 | 693 |
| Seymour | New Haven County | 16,437 | 15 | 1096 |
| Southbury | New Haven County | 19,571 | 39 | 502 |
| Ansonia | New Haven County | 18,654 | 6 | 3109 |
| Ansonia (Town) | New Haven County | 18,654 | 6 | 3109 |
| Beacon Falls | New Haven County | 6,222 | 10 | 622 |
| Bethany | New Haven County | 5,548 | 21 | 264 |
| Wallingford | New Haven County | 44,326 | 39 | 1137 |
| Wallingford Center | New Haven County | 17,756 | 7 | 2537 |
| Branford | New Haven County | 27,900 | 22 | 1268 |
| Branford Center | New Haven County | 6,355 | 2 | 3178 |
| Waterbury | New Haven County | 107,568 | 29 | 3709 |
| Waterbury (Town) | New Haven County | 107,568 | 29 | 3709 |
| West Haven | New Haven County | 54,620 | 11 | 4965 |
| West Haven (Town) | New Haven County | 54,620 | 11 | 4965 |
| Cheshire | New Haven County | 28,937 | 33 | 877 |
| Cheshire Village | New Haven County | 6,251 | 3 | 2084 |
| Wolcott | New Haven County | 16,587 | 20 | 829 |
| Woodbridge | New Haven County | 8,750 | 19 | 461 |
| Woodmont | New Haven County | 1,552 | 0 | 0 |
| Derby | New Haven County | 12,339 | 5 | 2468 |
| Derby (Town) | New Haven County | 12,339 | 5 | 2468 |
| East Haven | New Haven County | 28,569 | 12 | 2381 |
| East Haven (CDP) | New Haven County | 29,006 | 12 | 2417 |
| Guilford | New Haven County | 22,133 | 47 | 471 |
| Guilford Center | New Haven County | 2,521 | 2 | 1261 |
| Hamden | New Haven County | 60,556 | 33 | 1835 |
| Heritage Village | New Haven County | 3,880 | 2 | 1940 |
| Madison | New Haven County | 18,030 | 36 | 501 |
| Madison Center | New Haven County | 2,737 | 2 | 1369 |
| Meriden | New Haven County | 59,395 | 24 | 2475 |
| Meriden (Town) | New Haven County | 59,395 | 24 | 2475 |
| Middlebury | New Haven County | 7,798 | 18 | 433 |
| Milford | New Haven County | 54,747 | 22 | 2489 |
| Milford (Town) | New Haven County | 54,747 | 22 | 2489 |
| Naugatuck | New Haven County | 31,108 | 16 | 1944 |
| Naugatuck (Town) | New Haven County | 31,108 | 16 | 1944 |
| New Haven | New Haven County | 130,250 | 19 | 6855 |
| New Haven (Town) | New Haven County | 130,250 | 19 | 6855 |
| North Branford | New Haven County | 14,146 | 25 | 566 |
| North Haven | New Haven County | 23,683 | 21 | 1128 |
| North Haven (CDP) | New Haven County | 23,877 | 21 | 1137 |
| Norwich | New London County | 38,768 | 28 | 1385 |
| Norwich (Town) | New London County | 38,768 | 28 | 1385 |
| Old Lyme | New London County | 7,306 | 23 | 318 |
| Old Mystic | New London County | 3,546 | 4 | 887 |
| Oxoboxo River | New London County | 2,938 | 4 | 735 |
| Pawcatuck | New London County | 4,999 | 3 | 1666 |
| Poquonock Bridge | New London County | 2,233 | 1 | 2233 |
| Preston | New London County | 4,625 | 31 | 149 |
| Salem | New London County | 4,083 | 29 | 141 |
| Sprague | New London County | 2,859 | 13 | 220 |
| Stonington | New London County | 884 | 0 | 0 |
| Stonington (Town) | New London County | 18,559 | 39 | 476 |
| Baltic | New London County | 1,148 | 1 | 1148 |
| Voluntown | New London County | 2,510 | 39 | 64 |
| Bozrah | New London County | 2,726 | 20 | 136 |
| Waterford | New London County | 18,746 | 33 | 568 |
| Waterford (CDP) | New London County | 2,785 | 2 | 1393 |
| Colchester | New London County | 15,809 | 49 | 323 |
| Colchester (CDP) | New London County | 4,879 | 4 | 1220 |
| Conning Towers Nautilus Park | New London County | 9,515 | 5 | 1903 |
| East Lyme | New London County | 18,462 | 34 | 543 |
| Franklin | New London County | 1,920 | 20 | 96 |
| Gales Ferry | New London County | 947 | 1 | 947 |
| Griswold | New London County | 11,534 | 35 | 330 |
| Groton | New London County | 8,911 | 3 | 2970 |
| Groton Long Point | New London County | 507 | 0 | 0 |
| Groton (Town) | New London County | 38,436 | 31 | 1240 |
| Jewett City | New London County | 3,360 | 1 | 3360 |
| Lebanon | New London County | 7,144 | 54 | 132 |
| Ledyard | New London County | 14,621 | 38 | 385 |
| Lisbon | New London County | 4,220 | 16 | 264 |
| Long Hill | New London County | 4,528 | 2 | 2264 |
| Lyme | New London County | 2,316 | 32 | 72 |
| Mashantucket | New London County | 235 | 3 | 78 |
| Montville | New London County | 18,508 | 42 | 441 |
| Mystic | New London County | 4,268 | 3 | 1423 |
| New London | New London County | 26,858 | 6 | 4476 |
| New London (Town) | New London County | 26,858 | 6 | 4476 |
| Niantic | New London County | 2,918 | 1 | 2918 |
| Noank | New London County | 1,602 | 2 | 801 |
| North Stonington | New London County | 5,196 | 54 | 96 |
| Rockville | Tolland County | 7,188 | 2 | 3594 |
| Somers | Tolland County | 10,784 | 28 | 385 |
| Somers (CDP) | Tolland County | 1,844 | 2 | 922 |
| South Coventry | Tolland County | 1,361 | 3 | 454 |
| Stafford | Tolland County | 11,893 | 58 | 205 |
| Stafford Springs | Tolland County | 5,042 | 6 | 840 |
| Storrs | Tolland County | 16,077 | 6 | 2680 |
| Andover | Tolland County | 3,236 | 15 | 216 |
| Tolland | Tolland County | 14,618 | 40 | 365 |
| Union | Tolland County | 839 | 29 | 29 |
| Vernon | Tolland County | 29,359 | 18 | 1631 |
| Bolton | Tolland County | 4,884 | 14 | 349 |
| Willington | Tolland County | 5,864 | 33 | 178 |
| Columbia | Tolland County | 5,379 | 21 | 256 |
| Coventry | Tolland County | 12,407 | 38 | 327 |
| Coventry Lake | Tolland County | 2,932 | 3 | 977 |
| Crystal Lake | Tolland County | 2,109 | 8 | 264 |
| Ellington | Tolland County | 16,467 | 34 | 484 |
| Hebron | Tolland County | 9,504 | 37 | 257 |
| Mansfield | Tolland County | 25,487 | 45 | 566 |
| Mansfield Center | Tolland County | 1,039 | 3 | 346 |
| Plainfield | Windham County | 15,125 | 42 | 360 |
| Plainfield Village | Windham County | 2,039 | 2 | 1020 |
| Pomfret | Windham County | 4,203 | 40 | 105 |
| Putnam | Windham County | 9,389 | 20 | 469 |
| Putnam (CDP) | Windham County | 6,992 | 3 | 2331 |
| Quinebaug | Windham County | 1,545 | 4 | 386 |
| Scotland | Windham County | 1,672 | 19 | 88 |
| South Windham | Windham County | 1,302 | 3 | 434 |
| South Woodstock | Windham County | 1,262 | 5 | 252 |
| Sterling | Windham County | 3,782 | 27 | 140 |
| Ashford | Windham County | 4,255 | 39 | 109 |
| Thompson | Windham County | 9,379 | 47 | 200 |
| Wauregan | Windham County | 1,381 | 1 | 1381 |
| Brooklyn | Windham County | 8,272 | 29 | 285 |
| Brooklyn (CDP) | Windham County | 936 | 1 | 936 |
| Canterbury | Windham County | 5,079 | 40 | 127 |
| Chaplin | Windham County | 2,239 | 19 | 118 |
| Willimantic | Windham County | 17,550 | 4 | 4388 |
| Windham | Windham County | 24,561 | 27 | 910 |
| Woodstock | Windham County | 7,858 | 61 | 129 |
| Danielson | Windham County | 4,012 | 1 | 4012 |
| East Brooklyn | Windham County | 1,708 | 2 | 854 |
| Eastford | Windham County | 1,790 | 29 | 62 |
| Hampton | Windham County | 1,842 | 25 | 74 |
| Killingly | Windham County | 17,336 | 48 | 361 |
| Moosup | Windham County | 3,499 | 2 | 1750 |
| North Grosvenor Dale | Windham County | 1,086 | 2 | 543 |
| Totals: | 5,752,172 |
