| City | County | 2026 Pop. ↓ |
|---|---|---|
| Kindred | Cass County | 1,066 |
| Killdeer | Dunn County | 902 |
| Kenmare | Ward County | 899 |
| Kulm | LaMoure County | 371 |
| Kensal | Stutsman County | 146 |
| Karlsruhe | McHenry County | 85 |
| Kathryn | Barnes County | 64 |
| Kramer | Bottineau County | 23 |
| Knox | Benson County | 19 |
| Kief | McHenry County | 7 |