City | 2024 Population |
|---|---|
| Jacksonville | 997,164 |
| Jacksonville Beach | 23,325 |
| Jacob City | 228 |
| Jan Phyl Village | 6,279 |
| Jasmine Estates | 25,428 |
| Jasper | 2,567 |
| Jay | 586 |
| Jennings | 776 |
| Jensen Beach | 11,570 |
| June Park | 4,582 |
| Juno Beach | 3,867 |
| Juno Ridge | 1,292 |
| Jupiter | 61,348 |
| Jupiter Farms | 13,200 |
| Jupiter Inlet Colony | 433 |
| Jupiter Island | 833 |