20 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Fort Riley | Geary County | 8,839 |
| Fort Scott | Bourbon County | 7,570 |
| Fairway | Johnson County | 4,158 |
| Frontenac | Crawford County | 3,419 |
| Fredonia | Wilson County | 2,053 |
| Franklin | Crawford County | 874 |
| Frankfort | Marshall County | 725 |
| Fowler | Meade County | 506 |
| Florence | Marion County | 378 |
| Fontana | Miami County | 232 |
| Fairview | Brown County | 231 |
| Ford | Ford County | 200 |
| Falun | Saline County | 178 |
| Fulton | Bourbon County | 169 |
| Fort Dodge | Ford County | 145 |
| Fall River | Greenwood County | 126 |
| Formoso | Jewell County | 90 |
| Farlington | Crawford County | 80 |
| Furley | Harvey County | 62 |
| Frederick | Ellsworth County | 8 |