7 cities
| City | 2025 Pop. ↓ | 2024 Pop. | 2021 Pop. | 2016 Pop. | Annual Change |
|---|---|---|---|---|---|
| Yellowknife | 21,936 | 21,788 | 21,455 | 20,829 | 0.68% |
| Hay River | 3,308 | 3,349 | 3,402 | 3,802 | -1.22% |
| Inuvik | 3,263 | 3,282 | 3,367 | 3,426 | -0.58% |
| Fort Smith | 2,441 | 2,459 | 2,563 | 2,743 | -0.73% |
| Behchokò | 2,003 | 1,998 | 1,996 | 1,980 | 0.25% |
| Fort Simpson | 1,315 | 1,313 | 1,326 | 1,299 | 0.15% |
| Tuktoyaktuk | 1,033 | 1,024 | 1,016 | 980 | 0.88% |
The largest city in Northwest Territory is Yellowknife, with a 2025 population of 21,936. Tuktoyaktuk is the fastest growing city in Northwest Territory, having grown 0.88% annually between 2011 and 2016.