# Cities in Connecticut by population, 2025

All 21 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). Norway: Statistics Norway, 1 January. Iceland and its municipalities: Statistics Iceland, 1 January. United States: Census Bureau population estimates for 1 July. United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship. UN World Population Prospects estimates for 1 July cover the years before 1960 and the areas the World Bank does not publish, such as Taiwan.
- Source: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Publisher page: https://invokely.ai/en/publishers/us-census-bureau
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/population/connecticut-cities

| Rank | Place | persons |
|---:|---|---:|
| 1 | Bridgeport, CT | 152,273 |
| 2 | Stamford, CT | 139,535 |
| 3 | New Haven, CT | 138,774 |
| 4 | Hartford, CT | 121,981 |
| 5 | Waterbury, CT | 115,771 |
| 6 | Norwalk, CT | 94,508 |
| 7 | Danbury, CT | 89,033 |
| 8 | New Britain, CT | 76,286 |
| 9 | Bristol, CT | 62,341 |
| 10 | Meriden, CT | 60,810 |
| 11 | West Haven, CT | 55,351 |
| 12 | Milford, CT | 51,215 |
| 13 | Middletown, CT | 48,439 |
| 14 | Shelton, CT | 42,880 |
| 15 | Norwich, CT | 40,001 |
| 16 | Torrington, CT | 35,796 |
| 17 | Naugatuck, CT | 32,230 |
| 18 | New London, CT | 28,003 |
| 19 | Ansonia, CT | 19,216 |
| 20 | Derby, CT | 12,925 |
| 21 | Groton, CT | 10,160 |