Connecticut is a small state in the northeastern United States, with a population of 3,596,080 inhabitants of 14,347 km2. Hartford is the capital and fourth-largest city in Connecticut, with a population of 125,017 people living in an area of 41 km2 and a density of 2,776 people per km2. Bridgeport is the biggest city, with a population of 147,216 people and a population density of 3,539 people per square kilometer on a total area of 41 square kilometers.
| Rank | Name | Population | Area (km²) | Density ( inhabitants/km²) | County |
|---|---|---|---|---|---|
| 1 | Bridgeport | 147,216 | 41 | 3,539 | Fairfield |
| 2 | New Haven | 130,660 | 48 | 2,699 | New Haven |
| 3 | Stamford | 126,456 | 97 | 1,297 | Fairfield |
| 4 | Hartford | 125,017 | 45 | 2,776 | Hartford |
| 5 | Waterbury | 109,676 | 73 | 1,484 | New Haven |
| 6 | Norwalk | 87,776 | 59 | 1,480 | Fairfield |
| 7 | Danbury | 83,684 | 108 | 770 | Fairfield |
| 8 | New Britain | 72,939 | 34 | 2,108 | Hartford |
| 9 | West Hartford | 63,371 | 56 | 1,120 | Hartford |
| 10 | Bristol | 60,568 | 68 | 885 | Hartford |
| 11 | Meriden | 60,456 | 61 | 981 | New Haven |
| 12 | West Haven | 55,046 | 27 | 1,977 | New Haven |
| 13 | Stratford | 52,112 | 45 | 1,150 | Fairfield |
| 14 | Milford | 51,644 | 56 | 910 | New Haven |
| 15 | East Hartford | 51,199 | 46 | 1,098 | Hartford |
| 16 | Middletown | 47,333 | 106 | 445 | Middlesex |
| 17 | Shelton | 40,999 | 79 | 516 | Fairfield |
| 18 | Norwich | 40,347 | 72 | 555 | New London |
| 19 | Trumbull | 36,571 | 60 | 605 | Fairfield |
| 20 | Torrington | 35,611 | 102 | 345 | Litchfield |
| 21 | Naugatuck | 31,707 | 42 | 751 | New Haven |
| 22 | Newington | 30,756 | 34 | 903 | Hartford |
| 23 | Manchester | 30,600 | 16 | 1,828 | Hartford |
| 24 | East Haven | 29,121 | 31 | 913 | New Haven |
| 25 | New London | 27,545 | 14 | 1,893 | New London |
