List of cities in Connecticut
These are cities in the U.S. state of Connecticut. Population is from 2020 Census data. Cities with more than 100,000 people are listed in boldface.
| City | County | Population | Date chartered as city | Date consolidated with town |
|---|---|---|---|---|
| Ansonia | New Haven | 18,918 | 1893 | 1893 |
| Bridgeport | Fairfield | 148,654 | 1836 | 1889 |
| Bristol | Hartford | 60,833 | 1911 | 1911 |
| Danbury | Fairfield | 86,518 | 1889 | 1965 |
| Derby | New Haven | 12,325 | 1893 | 1893 |
| Groton | New London | 9,349 | 1964 | Not consolidated |
| Hartford | Hartford | 121,054 | 1784 | 1896 |
| Meriden | New Haven | 60,850 | 1867 | 1922 |
| Middletown | Middlesex | 47,717 | 1784 | 1924 |
| Milford | New Haven | 50,558 | 1959 | 1959 |
| New Britain | Hartford | 74,135 | 1870 | 1906 |
| New Haven | New Haven | 134,023 | 1784 | 1897 |
| New London | New London | 27,367 | 1784 | 1874 |
| Norwalk | Fairfield | 91,184 | 1893 | 1913 |
| Norwich | New London | 40,125 | 1784 | 1952 |
| Shelton | Fairfield | 40,869 | 1915 | 1915 |
| Stamford | Fairfield | 135,470 | 1893 | 1949 |
| Torrington | Litchfield | 35,515 | 1923 | 1923 |
| Waterbury | New Haven | 114,403 | 1853 | 1902 |
| West Haven | New Haven | 55,584 | 1961 | 1961 |
| Winsted | Litchfield | 7,192 | 1917 | 1915 |
| Former City | Date became a city | Date of disestablishment | What happened |
|---|---|---|---|
| South Norwalk | 1871 | 1913 | Consolidated with Town and City of Norwalk in 1913. Now a neighborhood and a taxing district |
| Rockville | 1889 | 1965 | Consolidated with the Town of Vernon. Now a CDP . |
| Willimantic | 1893 | 1983 | Now a CDP in the town of Windham |
| Putnam | 1895 | 1984 | Now a CDP in the town of Putnam |