City | 2024 Population |
|---|---|
| Kalida | 1,449 |
| Kanauga | 456 |
| Kansas | 240 |
| Keene | 1,680 |
| Kelleys Island | 258 |
| Kent | 27,408 |
| Kenton | 7,802 |
| Kenwood | 8,575 |
| Kettering | 56,558 |
| Kettlersville | 159 |
| Kidron | 967 |
| Kilbourne | 17 |
| Killbuck | 803 |
| Kimbolton | 222 |
| Kings Mills | 1,154 |
| Kingston | 1,239 |
| Kingsville | 811 |
| Kinsman | 1,699 |
| Kinsman Center | 982 |
| Kipton | 206 |
| Kirby | 112 |
| Kirkersville | 480 |
| Kirkwood | 380 |
| Kirtland | 6,882 |
| Kirtland Hills | 688 |
| Knox | 3,909 |
| Kunkle | 94 |