20 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Fort Riley | Geary County | 8,787 |
| Fort Scott | Bourbon County | 7,577 |
| Fairway | Johnson County | 4,156 |
| Frontenac | Crawford County | 3,426 |
| Fredonia | Wilson County | 2,035 |
| Franklin | Crawford County | 853 |
| Frankfort | Marshall County | 725 |
| Fowler | Meade County | 500 |
| Florence | Marion County | 376 |
| Fontana | Miami County | 234 |
| Fairview | Brown County | 229 |
| Ford | Ford County | 199 |
| Falun | Saline County | 186 |
| Fulton | Bourbon County | 170 |
| Fort Dodge | Ford County | 140 |
| Fall River | Greenwood County | 126 |
| Formoso | Jewell County | 90 |
| Farlington | Crawford County | 84 |
| Furley | Harvey County | 59 |
| Frederick | Ellsworth County | 8 |