Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Jacksonville (city), FL | 949,611 |
| 2 | Fruit Cove (CDP), FL | 32,143 |
| 3 | Lakeside (CDP), FL | 31,275 |
| 4 | Jacksonville Beach (city), FL | 23,830 |
| 5 | Nocatee (CDP), FL | 22,503 |
| 6 | World Golf Village (CDP), FL | 22,117 |
| 7 | Palm Valley (CDP), FL | 21,827 |
| 8 | Bellair-Meadowbrook Terrace (CDP), FL | 14,482 |
| 9 | St. Augustine (city), FL | 14,329 |
| 10 | Green Cove Springs (city), FL | 9,786 |
| 11 | Orange Park (town), FL | 9,089 |
| 12 | Sawgrass (CDP), FL | 5,385 |
| 13 | St. Augustine South (CDP), FL | 5,066 |
| 14 | Vilano Beach (CDP), FL | 2,514 |
| 15 | Penney Farms (town), FL | 821 |