City | 2024 Population |
|---|---|
| Naugatuck | 31,929 |
| New Britain | 74,521 |
| New Canaan | 6,470 |
| New Hartford Center | 1,518 |
| New Haven | 137,173 |
| New London | 27,840 |
| New Milford | 7,263 |
| New Preston | 1,201 |
| Newington | 30,388 |
| Newtown | 1,968 |
| Niantic | 3,911 |
| Noank | 1,962 |
| Norfolk | 665 |
| Noroton | 5,467 |
| Noroton Heights | 3,120 |
| North Granby | 1,687 |
| North Grosvenor Dale | 1,382 |
| North Haven | 24,103 |
| Northford | 6,333 |
| Northwest Harwinton | 3,428 |
| Norwalk | 92,980 |
| Norwich | 39,832 |