167 cities
| City | Rank | Change ↓ | 2025 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Somers | 1 | 7.57% | 12,481 | 10,079 |
| Newington | 2 | 2.86% | 33,067 | 30,420 |
| Granby | 3 | 1.89% | 11,683 | 10,891 |
| Bloomfield | 4 | 1.58% | 22,586 | 21,448 |
| Middlebury | 5 | 1.47% | 8,172 | 7,583 |
| Stafford | 6 | 1.44% | 11,905 | 11,411 |
| New Haven | 7 | 1.35% | 139,027 | 129,757 |
| Oxford | 8 | 1.35% | 13,483 | 12,708 |
| Waterford | 9 | 1.31% | 20,357 | 19,581 |
| Brooklyn | 10 | 1.25% | 8,830 | 8,380 |
| Beacon Falls | 11 | 1.24% | 6,362 | 6,007 |
| Griswold | 12 | 1.19% | 11,904 | 11,421 |
| Berlin | 13 | 1.14% | 20,901 | 20,133 |
| Haddam | 14 | 1.13% | 8,973 | 8,436 |
| Shelton | 15 | 1.08% | 43,065 | 40,762 |
| New London | 16 | 1.01% | 28,121 | 26,718 |
| East Lyme | 17 | 0.98% | 19,303 | 18,443 |
| North Haven | 18 | 0.93% | 24,749 | 24,161 |
| Seymour | 19 | 0.91% | 17,263 | 16,714 |
| Eastford | 20 | 0.82% | 1,717 | 1,650 |
| Harwinton | 21 | 0.81% | 5,704 | 5,474 |
| Voluntown | 22 | 0.8% | 2,654 | 2,567 |
| Canterbury | 23 | 0.79% | 5,222 | 5,046 |
| Franklin | 24 | 0.79% | 1,921 | 1,857 |
| Goshen | 25 | 0.77% | 3,282 | 3,150 |
| Thompson | 26 | 0.76% | 9,529 | 9,191 |
| Wolcott | 27 | 0.71% | 16,543 | 16,101 |
| Middletown | 28 | 0.7% | 48,663 | 46,965 |
| Canton | 29 | 0.69% | 10,288 | 10,085 |
| Roxbury | 30 | 0.69% | 2,329 | 2,255 |
| Cheshire | 31 | 0.69% | 29,606 | 28,612 |
| Southbury | 32 | 0.66% | 20,393 | 19,861 |
| Washington | 33 | 0.65% | 3,733 | 3,634 |
| Killingly | 34 | 0.64% | 18,177 | 17,710 |
| Woodbury | 35 | 0.6% | 9,982 | 9,712 |
| Sterling | 36 | 0.6% | 3,688 | 3,574 |
| New Britain | 37 | 0.59% | 74,963 | 72,755 |
| Trumbull | 38 | 0.58% | 37,707 | 36,607 |
| Norwalk | 39 | 0.56% | 93,502 | 90,891 |
| Fairfield | 40 | 0.55% | 64,139 | 61,485 |
| Lyme | 41 | 0.54% | 2,435 | 2,347 |
| Orange | 42 | 0.53% | 14,474 | 14,231 |
| Newtown | 43 | 0.5% | 27,953 | 27,034 |
| Bristol | 44 | 0.47% | 62,183 | 60,727 |
| Woodstock | 45 | 0.47% | 8,424 | 8,222 |
| Darien | 46 | 0.45% | 22,218 | 21,444 |
| Prospect | 47 | 0.44% | 9,563 | 9,372 |
| Plymouth | 48 | 0.44% | 11,870 | 11,648 |
| Warren | 49 | 0.44% | 1,379 | 1,349 |
| Sharon | 50 | 0.44% | 2,768 | 2,677 |
| Thomaston | 51 | 0.42% | 7,565 | 7,436 |
| Watertown | 52 | 0.41% | 22,456 | 22,085 |
| Farmington | 53 | 0.38% | 27,002 | 26,638 |
| New Canaan | 54 | 0.37% | 21,016 | 20,534 |
| Plainfield | 55 | 0.36% | 15,303 | 14,978 |
| East Haddam | 56 | 0.35% | 9,051 | 8,858 |
| Bethlehem | 57 | 0.35% | 3,445 | 3,387 |
| Naugatuck | 58 | 0.34% | 32,038 | 31,492 |
| Hebron | 59 | 0.33% | 9,206 | 9,071 |
| Barkhamsted | 60 | 0.33% | 3,701 | 3,641 |
| Waterbury | 61 | 0.32% | 115,730 | 113,880 |
| Westport | 62 | 0.3% | 27,636 | 27,066 |
| Burlington | 63 | 0.29% | 9,802 | 9,497 |
| Plainville | 64 | 0.27% | 17,587 | 17,452 |
| Kent | 65 | 0.26% | 3,082 | 3,017 |
| Ledyard | 66 | 0.26% | 15,539 | 15,388 |
| Pomfret | 67 | 0.25% | 4,335 | 4,267 |
| Cornwall | 68 | 0.25% | 1,583 | 1,565 |
| Scotland | 69 | 0.25% | 1,586 | 1,572 |
| Derby | 70 | 0.25% | 12,468 | 12,312 |
| Killingworth | 71 | 0.24% | 6,284 | 6,160 |
| Willington | 72 | 0.23% | 5,578 | 5,552 |
| Tolland | 73 | 0.23% | 14,642 | 14,530 |
| East Hampton | 74 | 0.23% | 13,049 | 12,691 |
| Hampton | 75 | 0.23% | 1,748 | 1,729 |
| Putnam | 76 | 0.23% | 9,354 | 9,214 |
| Deep River | 77 | 0.22% | 4,474 | 4,401 |
| Westbrook | 78 | 0.22% | 6,911 | 6,768 |
| Ansonia | 79 | 0.22% | 19,089 | 18,886 |
| Ashford | 80 | 0.21% | 4,247 | 4,190 |
| Salisbury | 81 | 0.21% | 4,258 | 4,187 |
| Coventry | 82 | 0.2% | 12,358 | 12,217 |
| Marlborough | 83 | 0.2% | 6,130 | 6,098 |
| Columbia | 84 | 0.19% | 5,288 | 5,269 |
| Stamford | 85 | 0.19% | 136,735 | 135,462 |
| Monroe | 86 | 0.18% | 18,899 | 18,767 |
| East Windsor | 87 | 0.18% | 11,210 | 11,144 |
| Torrington | 88 | 0.17% | 35,673 | 35,365 |
| Hartland | 89 | 0.16% | 1,918 | 1,897 |
| Danbury | 90 | 0.15% | 86,385 | 85,732 |
| Litchfield | 91 | 0.14% | 8,317 | 8,180 |
| Avon | 92 | 0.14% | 18,937 | 18,875 |
| North Stonington | 93 | 0.14% | 5,179 | 5,141 |
| New Milford | 94 | 0.13% | 28,350 | 27,977 |
| Ellington | 95 | 0.13% | 17,038 | 16,441 |
| West Hartford | 96 | 0.12% | 64,129 | 63,599 |
| New Hartford | 97 | 0.12% | 6,725 | 6,649 |
| Old Lyme | 98 | 0.12% | 7,714 | 7,608 |
| Glastonbury | 99 | 0.12% | 35,286 | 35,070 |
| Chaplin | 100 | 0.09% | 2,161 | 2,150 |
| Simsbury | 101 | 0.09% | 24,999 | 24,495 |
| Southington | 102 | 0.09% | 43,821 | 43,427 |
| Middlefield | 103 | 0.07% | 4,263 | 4,208 |
| Bridgeport | 104 | 0.07% | 148,235 | 147,717 |
| Salem | 105 | 0.07% | 4,325 | 4,202 |
| Morris | 106 | 0.04% | 2,274 | 2,248 |
| Preston | 107 | 0.04% | 4,833 | 4,788 |
| Easton | 108 | 0.04% | 7,642 | 7,588 |
| Cromwell | 109 | 0.03% | 14,373 | 14,221 |
| Essex | 110 | 0.03% | 6,806 | 6,726 |
| Rocky Hill | 111 | 0.03% | 20,720 | 20,757 |
| Bolton | 112 | 0.02% | 4,836 | 4,847 |
| Old Saybrook | 113 | 0.02% | 10,575 | 10,466 |
| Manchester | 114 | 0.02% | 59,426 | 59,497 |
| Clinton | 115 | 0% | 13,402 | 13,170 |
| Canaan | 116 | 0% | 1,082 | 1,075 |
| Guilford | 117 | 0% | 22,020 | 22,018 |
| Stonington | 118 | -0.01% | 18,429 | 18,318 |
| South Windsor | 119 | -0.01% | 26,765 | 26,868 |
| Durham | 120 | -0.03% | 7,200 | 7,140 |
| Wethersfield | 121 | -0.03% | 27,098 | 27,238 |
| Mansfield | 122 | -0.03% | 25,385 | 18,139 |
| Stratford | 123 | -0.03% | 52,420 | 52,223 |
| Vernon | 124 | -0.03% | 30,576 | 30,175 |
| Windsor | 125 | -0.03% | 29,352 | 29,341 |
| Hartford | 126 | -0.04% | 119,583 | 119,798 |
| Bozrah | 127 | -0.04% | 2,410 | 2,421 |
| Portland | 128 | -0.04% | 9,420 | 9,365 |
| Norfolk | 129 | -0.06% | 1,594 | 1,584 |
| East Hartford | 130 | -0.07% | 50,588 | 50,864 |
| Greenwich | 131 | -0.07% | 63,488 | 63,344 |
| Winchester | 132 | -0.07% | 10,222 | 10,204 |
| Colebrook | 133 | -0.07% | 1,366 | 1,356 |
| Chester | 134 | -0.08% | 3,755 | 3,738 |
| Windsor Locks | 135 | -0.08% | 12,509 | 12,576 |
| Bethel | 136 | -0.08% | 20,644 | 20,319 |
| Weston | 137 | -0.09% | 10,326 | 10,318 |
| Lisbon | 138 | -0.09% | 4,220 | 4,188 |
| Andover | 139 | -0.1% | 3,138 | 3,147 |
| East Granby | 140 | -0.1% | 5,208 | 5,208 |
| Colchester | 141 | -0.1% | 15,472 | 15,485 |
| Bethany | 142 | -0.11% | 5,259 | 5,282 |
| Norwich | 143 | -0.12% | 39,783 | 40,028 |
| North Canaan | 144 | -0.13% | 3,196 | 3,198 |
| Lebanon | 145 | -0.14% | 7,088 | 7,127 |
| Redding | 146 | -0.15% | 8,693 | 8,729 |
| Wilton | 147 | -0.16% | 18,340 | 18,406 |
| Montville | 148 | -0.17% | 17,752 | 18,069 |
| Bridgewater | 149 | -0.18% | 1,640 | 1,649 |
| Sherman | 150 | -0.2% | 3,516 | 3,512 |
| Branford | 151 | -0.21% | 27,915 | 28,124 |
| Groton | 152 | -0.23% | 37,702 | 38,343 |
| Windham | 153 | -0.25% | 23,715 | 23,857 |
| Ridgefield | 154 | -0.27% | 24,795 | 24,953 |
| Brookfield | 155 | -0.28% | 17,391 | 17,469 |
| Meriden | 156 | -0.28% | 59,773 | 60,617 |
| Madison | 157 | -0.31% | 17,390 | 17,620 |
| Wallingford | 158 | -0.32% | 43,449 | 44,222 |
| Woodbridge | 159 | -0.32% | 8,963 | 9,055 |
| North Branford | 160 | -0.35% | 13,321 | 13,506 |
| West Haven | 161 | -0.35% | 54,403 | 55,370 |
| New Fairfield | 162 | -0.36% | 13,391 | 13,529 |
| East Haven | 163 | -0.4% | 27,313 | 27,794 |
| Sprague | 164 | -0.41% | 2,916 | 2,967 |
| Suffield | 165 | -0.43% | 15,516 | 15,682 |
| Hamden | 166 | -0.45% | 59,482 | 60,332 |
| Enfield | 167 | -1.09% | 39,912 | 41,199 |
Connecticut's cities with over 1,000 residents show varied growth patterns from 2020 to 2025. Somers leads with 7.57% annualized growth, followed by Newington (2.86%) and Granby (1.89%). The largest population centers are Bridgeport (148,235), New Haven (139,027), and Stamford (136,735). Of the 167 cities over 1,000 population, 117 are growing while 50 experienced population decline. Overall, cities averaged 0.32% annualized growth, with total urban population growing by 1.7% annually.