Barrios de Florida J
- Jacaranda (35)
- Jackson Heights (6)
- Jacksonville Farms/Terrace (25)
- Jacksonville Heights (54)
- Jacksonville Heights South (13)
- Jacksonville Heights West (17)
- Jacksonville North Estates (22)
- Jamestown (7)
- Jasmine Estates (44)
- Joel (52)
- Johns Lake (7)
- Jonathan's Landing (18)
- Julington Creek (5)
- Jungle Terrace (3)
- Jupiter Dunes (18)
- Jupiter Farms (14)
- Jupiter Harbour (4)
- Jupiter Lakes (4)
- Jupiter Village (6)