10 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Kindred | Cass County | 1,080 |
| Killdeer | Dunn County | 899 |
| Kenmare | Ward County | 897 |
| Kulm | LaMoure County | 360 |
| Kensal | Stutsman County | 150 |
| Karlsruhe | McHenry County | 82 |
| Kathryn | Barnes County | 66 |
| Kramer | Bottineau County | 24 |
| Knox | Benson County | 20 |
| Kief | McHenry County | 8 |