| City Name | Population | State | Rank |
|---|---|---|---|
| Bridgeport City | 144,229 | Connecticut | 1 |
| New Haven City | 129,779 | Connecticut | 2 |
| Hartford City | 124,775 | Connecticut | 3 |
| Stamford City | 122,643 | Connecticut | 4 |
| Waterbury City | 110,366 | Connecticut | 5 |
| Norwalk City | 85,603 | Connecticut | 6 |
| Danbury City | 80,893 | Connecticut | 7 |
| New Britain City | 73,206 | Connecticut | 8 |
| West Hartford | 63,268 | Connecticut | 9 |
| Meriden City | 60,868 | Connecticut | 10 |
| Bristol City | 60,477 | Connecticut | 11 |
| West Haven City | 55,564 | Connecticut | 12 |
| Stratford | 51,384 | Connecticut | 13 |
| Milford City (balance) | 51,271 | Connecticut | 14 |
| East Hartford | 51,252 | Connecticut | 15 |
| Middletown City | 47,648 | Connecticut | 16 |
| Norwich City | 40,493 | Connecticut | 17 |
| Shelton City | 39,559 | Connecticut | 18 |
| Torrington City | 36,383 | Connecticut | 19 |
| Trumbull | 36,018 | Connecticut | 20 |
| Naugatuck Borough | 31,862 | Connecticut | 21 |
| Manchester | 30,577 | Connecticut | 22 |
| Newington | 30,562 | Connecticut | 23 |
| East Haven | 29,257 | Connecticut | 24 |
| New London City | 27,620 | Connecticut | 25 |
| Wethersfield | 26,668 | Connecticut | 26 |
| Westport | 26,391 | Connecticut | 27 |
| North Haven | 24,093 | Connecticut | 28 |
| Darien | 20,732 | Connecticut | 29 |
| Ansonia City | 19,249 | Connecticut | 30 |
| Wallingford Center | 18,209 | Connecticut | 31 |
| Willimantic | 17,737 | Connecticut | 32 |
| Storrs | 15,344 | Connecticut | 33 |
| Orange | 13,956 | Connecticut | 34 |
| Greenwich | 12,942 | Connecticut | 35 |
| Derby City | 12,902 | Connecticut | 36 |
| Windsor Locks | 12,498 | Connecticut | 37 |
| Groton City | 10,389 | Connecticut | 38 |
| Bethel | 9,549 | Connecticut | 39 |
| Oakville | 9,047 | Connecticut | 40 |
| Conning Towers Nautilus Park | 8,834 | Connecticut | 41 |
| Thompsonville | 8,577 | Connecticut | 42 |
| Kensington | 8,459 | Connecticut | 43 |
| Riverside | 8,416 | Connecticut | 44 |
| Winsted | 7,712 | Connecticut | 45 |
| Southwood Acres | 7,657 | Connecticut | 46 |
| Ridgefield | 7,645 | Connecticut | 47 |
| Rockville | 7,474 | Connecticut | 48 |
| Glastonbury Center | 7,387 | Connecticut | 49 |
| Putnam | 7,214 | Connecticut | 50 |
| Cos Cob | 6,770 | Connecticut | 51 |
| Old Greenwich | 6,611 | Connecticut | 52 |
| New Milford | 6,523 | Connecticut | 53 |
| Portland | 5,862 | Connecticut | 54 |
| Simsbury Center | 5,836 | Connecticut | 55 |
| Branford Center | 5,819 | Connecticut | 56 |
| Cheshire Village | 5,786 | Connecticut | 57 |
| Pawcatuck | 5,624 | Connecticut | 58 |
| Sherwood Manor | 5,410 | Connecticut | 59 |
| Terryville | 5,387 | Connecticut | 60 |