167 cities
| City | Rank | Annual Change ↓ | 2025 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Cheshire | 1 | 4.52% | 31,995 | 28,310 |
| Granby | 2 | 3.89% | 12,208 | 10,890 |
| Mansfield | 3 | 3.42% | 28,953 | 19,446 |
| Bethel | 4 | 3.01% | 22,137 | 20,324 |
| Farmington | 5 | 2.82% | 28,983 | 26,635 |
| Rocky Hill | 6 | 2.54% | 21,916 | 20,755 |
| Groton | 7 | 2.34% | 39,668 | 38,329 |
| Brookfield | 8 | 2.02% | 18,554 | 17,469 |
| Stonington | 9 | 1.72% | 19,105 | 18,319 |
| North Haven | 10 | 1.72% | 25,271 | 24,129 |
| Fairfield | 11 | 1.66% | 66,385 | 61,487 |
| Darien | 12 | 1.5% | 22,866 | 21,445 |
| New Haven | 13 | 1.5% | 139,624 | 129,314 |
| Suffield | 14 | 1.47% | 16,198 | 15,684 |
| Easton | 15 | 1.42% | 7,926 | 7,584 |
| Canterbury | 16 | 1.4% | 5,295 | 5,048 |
| Monroe | 17 | 1.29% | 19,517 | 18,773 |
| Harwinton | 18 | 1.27% | 5,760 | 5,474 |
| Somers | 19 | 1.25% | 11,041 | 10,080 |
| Sterling | 20 | 1.25% | 3,740 | 3,573 |
| Trumbull | 21 | 1.24% | 38,544 | 36,610 |
| Stratford | 22 | 1.23% | 54,272 | 52,230 |
| Thompson | 23 | 1.21% | 9,628 | 9,192 |
| Voluntown | 24 | 1.21% | 2,682 | 2,568 |
| Shelton | 25 | 1.19% | 43,315 | 40,762 |
| Derby | 26 | 1.16% | 13,065 | 12,312 |
| New London | 27 | 1.15% | 28,404 | 26,789 |
| Westport | 28 | 1.12% | 28,309 | 27,069 |
| Sherman | 29 | 1.11% | 3,641 | 3,515 |
| Scotland | 30 | 1.06% | 1,615 | 1,572 |
| Hampton | 31 | 1.02% | 1,777 | 1,729 |
| Eastford | 32 | 1% | 1,723 | 1,647 |
| Barkhamsted | 33 | 1% | 3,754 | 3,645 |
| New Britain | 34 | 0.96% | 76,603 | 72,943 |
| Greenwich | 35 | 0.93% | 65,196 | 63,328 |
| Woodstock | 36 | 0.92% | 8,512 | 8,224 |
| Goshen | 37 | 0.92% | 3,295 | 3,150 |
| Brooklyn | 38 | 0.88% | 8,785 | 8,382 |
| New Milford | 39 | 0.88% | 28,999 | 27,982 |
| Plainville | 40 | 0.87% | 17,912 | 17,457 |
| Middletown | 41 | 0.84% | 49,026 | 46,976 |
| Beacon Falls | 42 | 0.83% | 6,323 | 6,008 |
| Middlebury | 43 | 0.82% | 8,091 | 7,573 |
| Putnam | 44 | 0.82% | 9,484 | 9,218 |
| Morris | 45 | 0.79% | 2,308 | 2,247 |
| East Haven | 46 | 0.78% | 28,172 | 27,832 |
| Branford | 47 | 0.78% | 28,669 | 28,132 |
| Bloomfield | 48 | 0.76% | 22,367 | 21,447 |
| Pomfret | 49 | 0.76% | 4,388 | 4,266 |
| Killingly | 50 | 0.75% | 18,229 | 17,716 |
| Norwalk | 51 | 0.74% | 94,352 | 90,897 |
| Chaplin | 52 | 0.73% | 2,195 | 2,150 |
| Woodbridge | 53 | 0.73% | 9,197 | 9,057 |
| Danbury | 54 | 0.73% | 89,341 | 86,095 |
| Seymour | 55 | 0.73% | 17,264 | 16,711 |
| Warren | 56 | 0.73% | 1,388 | 1,349 |
| Washington | 57 | 0.73% | 3,748 | 3,639 |
| Salisbury | 58 | 0.72% | 4,310 | 4,189 |
| Bolton | 59 | 0.72% | 4,930 | 4,846 |
| Canton | 60 | 0.71% | 10,346 | 10,086 |
| Hebron | 61 | 0.7% | 9,319 | 9,071 |
| Southbury | 62 | 0.69% | 20,483 | 19,863 |
| Wolcott | 63 | 0.69% | 16,625 | 16,131 |
| Ledyard | 64 | 0.69% | 15,682 | 15,393 |
| Oxford | 65 | 0.68% | 13,354 | 12,711 |
| Woodbury | 66 | 0.67% | 10,027 | 9,712 |
| Ridgefield | 67 | 0.67% | 25,470 | 24,955 |
| Bridgewater | 68 | 0.66% | 1,682 | 1,651 |
| Stamford | 69 | 0.66% | 140,049 | 135,474 |
| New Canaan | 70 | 0.65% | 21,297 | 20,535 |
| Plainfield | 71 | 0.65% | 15,414 | 14,974 |
| Watertown | 72 | 0.64% | 22,642 | 22,085 |
| Newtown | 73 | 0.64% | 28,209 | 27,037 |
| Bridgeport | 74 | 0.64% | 152,570 | 147,713 |
| Wilton | 75 | 0.64% | 19,378 | 18,403 |
| East Hampton | 76 | 0.63% | 13,192 | 12,697 |
| Old Saybrook | 77 | 0.63% | 10,756 | 10,468 |
| Burlington | 78 | 0.62% | 9,865 | 9,487 |
| Montville | 79 | 0.62% | 18,024 | 18,061 |
| Ashford | 80 | 0.61% | 4,289 | 4,190 |
| East Granby | 81 | 0.61% | 5,310 | 5,208 |
| Coventry | 82 | 0.6% | 12,520 | 12,220 |
| East Windsor | 83 | 0.6% | 11,369 | 11,148 |
| Weston | 84 | 0.6% | 10,553 | 10,320 |
| Madison | 85 | 0.59% | 17,793 | 17,618 |
| Southington | 86 | 0.59% | 44,459 | 43,431 |
| Prospect | 87 | 0.58% | 9,629 | 9,374 |
| Bristol | 88 | 0.58% | 62,557 | 60,744 |
| Marlborough | 89 | 0.58% | 6,228 | 6,102 |
| Avon | 90 | 0.57% | 19,215 | 18,875 |
| Tolland | 91 | 0.57% | 14,823 | 14,530 |
| Roxbury | 92 | 0.56% | 2,323 | 2,253 |
| Plymouth | 93 | 0.56% | 11,945 | 11,652 |
| North Stonington | 94 | 0.54% | 5,225 | 5,140 |
| South Windsor | 95 | 0.54% | 27,207 | 26,868 |
| Andover | 96 | 0.54% | 3,194 | 3,146 |
| Ellington | 97 | 0.53% | 16,673 | 16,388 |
| Kent | 98 | 0.52% | 3,100 | 3,017 |
| Willington | 99 | 0.52% | 5,638 | 5,552 |
| Preston | 100 | 0.51% | 4,880 | 4,786 |
| Cornwall | 101 | 0.5% | 1,593 | 1,566 |
| Berlin | 102 | 0.5% | 20,750 | 20,134 |
| Guilford | 103 | 0.5% | 22,375 | 22,021 |
| East Haddam | 104 | 0.5% | 9,106 | 8,858 |
| Glastonbury | 105 | 0.49% | 35,727 | 35,065 |
| Redding | 106 | 0.49% | 8,873 | 8,732 |
| Naugatuck | 107 | 0.48% | 32,271 | 31,494 |
| Hartland | 108 | 0.47% | 1,930 | 1,896 |
| Canaan | 109 | 0.46% | 1,093 | 1,076 |
| Bozrah | 110 | 0.45% | 2,437 | 2,421 |
| Bethany | 111 | 0.45% | 5,348 | 5,281 |
| Vernon | 112 | 0.45% | 31,034 | 30,168 |
| Thomaston | 113 | 0.45% | 7,600 | 7,439 |
| Stafford | 114 | 0.44% | 11,743 | 11,414 |
| Waterbury | 115 | 0.43% | 116,412 | 113,889 |
| West Hartford | 116 | 0.43% | 64,462 | 63,118 |
| New Fairfield | 117 | 0.43% | 13,710 | 13,531 |
| New Hartford | 118 | 0.43% | 6,739 | 6,614 |
| Newington | 119 | 0.43% | 31,827 | 30,425 |
| Manchester | 120 | 0.42% | 60,201 | 59,500 |
| Franklin | 121 | 0.42% | 1,908 | 1,857 |
| Simsbury | 122 | 0.42% | 25,459 | 24,499 |
| Griswold | 123 | 0.41% | 11,731 | 11,422 |
| Columbia | 124 | 0.41% | 5,381 | 5,266 |
| Bethlehem | 125 | 0.41% | 3,463 | 3,389 |
| Lisbon | 126 | 0.4% | 4,266 | 4,190 |
| Sharon | 127 | 0.4% | 2,766 | 2,678 |
| Wethersfield | 128 | 0.4% | 27,481 | 27,242 |
| Lebanon | 129 | 0.39% | 7,169 | 7,129 |
| Ansonia | 130 | 0.39% | 19,269 | 18,896 |
| Litchfield | 131 | 0.38% | 8,365 | 8,182 |
| East Hartford | 132 | 0.38% | 51,323 | 50,877 |
| Waterford | 133 | 0.38% | 19,986 | 19,570 |
| North Branford | 134 | 0.38% | 13,602 | 13,504 |
| Norfolk | 135 | 0.37% | 1,607 | 1,582 |
| Windsor Locks | 136 | 0.36% | 12,689 | 12,577 |
| Windsor | 137 | 0.36% | 29,765 | 29,341 |
| Colchester | 138 | 0.35% | 15,807 | 15,495 |
| Enfield | 139 | 0.35% | 41,282 | 41,185 |
| Hartford | 140 | 0.34% | 122,544 | 120,469 |
| Sprague | 141 | 0.34% | 2,958 | 2,960 |
| Deep River | 142 | 0.33% | 4,498 | 4,405 |
| Wallingford | 143 | 0.3% | 44,520 | 44,533 |
| Colebrook | 144 | 0.29% | 1,374 | 1,353 |
| East Lyme | 145 | 0.29% | 19,059 | 18,443 |
| North Canaan | 146 | 0.28% | 3,229 | 3,197 |
| Winchester | 147 | 0.27% | 10,337 | 10,242 |
| Portland | 148 | 0.26% | 9,503 | 9,361 |
| Westbrook | 149 | 0.23% | 6,934 | 6,761 |
| Salem | 150 | 0.23% | 4,336 | 4,198 |
| Killingworth | 151 | 0.22% | 6,298 | 6,162 |
| Torrington | 152 | 0.22% | 35,750 | 35,363 |
| Orange | 153 | 0.21% | 14,462 | 14,229 |
| Essex | 154 | 0.19% | 6,860 | 6,728 |
| Lyme | 155 | 0.17% | 2,425 | 2,349 |
| Middlefield | 156 | 0.16% | 4,281 | 4,208 |
| Hamden | 157 | 0.16% | 61,609 | 60,736 |
| Old Lyme | 158 | 0.16% | 7,733 | 7,604 |
| Clinton | 159 | 0.13% | 13,485 | 13,173 |
| Windham | 160 | 0.13% | 24,137 | 23,859 |
| Chester | 161 | 0.11% | 3,752 | 3,739 |
| Haddam | 162 | 0.1% | 8,815 | 8,437 |
| Cromwell | 163 | 0.1% | 14,402 | 14,214 |
| Durham | 164 | 0.1% | 7,237 | 7,141 |
| Meriden | 165 | 0.09% | 60,905 | 60,622 |
| Norwich | 166 | -0.02% | 39,986 | 40,018 |
| West Haven | 167 | -0.08% | 55,335 | 55,553 |
Connecticut's cities with over 1,000 residents show varied growth patterns from 2020 to 2025. Cheshire leads with 4.52% annualized growth, followed by Granby (3.89%) and Mansfield (3.42%). The largest population centers are Bridgeport (152,570), Stamford (140,049), and New Haven (139,624). Of the 167 cities over 1,000 population, 165 are growing while 2 experienced population decline. Overall, cities averaged 0.75% annualized growth, with total urban population growing by 3.47% annually.