20 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Fort Riley | Geary County | 8,839 |
| Fort Scott | Bourbon County | 7,581 |
| Fairway | Johnson County | 4,150 |
| Frontenac | Crawford County | 3,364 |
| Fredonia | Wilson County | 2,028 |
| Franklin | Crawford County | 874 |
| Frankfort | Marshall County | 712 |
| Fowler | Meade County | 498 |
| Florence | Marion County | 379 |
| Fairview | Brown County | 234 |
| Fontana | Miami County | 229 |
| Ford | Ford County | 204 |
| Falun | Saline County | 178 |
| Fulton | Bourbon County | 167 |
| Fort Dodge | Ford County | 145 |
| Fall River | Greenwood County | 125 |
| Formoso | Jewell County | 88 |
| Farlington | Crawford County | 80 |
| Furley | Harvey County | 62 |
| Frederick | Ellsworth County | 11 |