6 cities
| City | Rank | County | 2025 Pop. ↓ |
|---|---|---|---|
| St. Maries | 1 | Benewah County | 2,545 |
| Plummer | 2 | Benewah County | 1,176 |
| Fernwood | 3 | Benewah County | 182 |
| De Smet | 4 | Benewah County | 109 |
| Tensed | 5 | Benewah County | 100 |
| Parkline | 6 | Benewah County | 56 |
Benewah County are the counties that are generally considered part of Northwest Idaho.