15 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Kissimmee | Osceola County | 87,544 |
| Kendall | Miami-Dade County | 79,255 |
| Kendale Lakes | Miami-Dade County | 51,216 |
| Kendall West | Miami-Dade County | 35,339 |
| Keystone | Hillsborough County | 27,342 |
| Key West | Monroe County | 24,680 |
| Key Biscayne | Miami-Dade County | 15,293 |
| Key Largo | Monroe County | 12,447 |
| Kathleen | Polk County | 6,572 |
| Kenneth City | Pinellas County | 4,923 |
| Kensington Park | Sarasota County | 3,483 |
| Keystone Heights | Clay County | 1,626 |
| Key Vista | Pasco County | 1,444 |
| Kenwood Estates | Palm Beach County | 1,431 |
| Key Colony Beach | Monroe County | 730 |