- Kathleen (Population: 3,280)
- Kendale Lakes (Population: 56,901)
- Kendall (Population: 75,226)
- Kendall Green (Population: 3,084)
- Kendall West (Population: 38,034)
- Kenneth City (Population: 4,400)
- Kensington Park (Population: 3,720)
- Key Biscayne (Population: 10,507)
- Key Largo (Population: 11,886)
- Key West (Population: 25,478)
- Keystone (Population: 14,627)
- Keystone Heights (Population: 1,349)
- Kings Point (Population: 12,207)
- Kissimmee (Population: 47,814)
