| ZIP Codes: | 7 ZIP Codes (5 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 324 / 904 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:11:39 PM |
| Population: | 97,788 [See All] |
| FIPS: | 12089 |
| CBSA: | Jacksonville, FL |
| Land Area: | 659 sq mi |
| Water Area: | 26 sq mi |
| Coordinates: | 30.5969, -81.7050 |
| Quick Link: |
97,788 residents live across 7 ZIPs covering 659 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 74,858 to 97,788 from 2014 to 2024 — a +30.6% change. 5 ZIPs gained residents, 0 lost.
The county's wealthiest ZIP 32034 (Fernandina Beach, $98,583 median) and poorest ZIP 32046 (Hilliard, $71,563) are 29.5 miles apart — a 1.4× income gap across local geography.
Median home values vary 2.3× across this county — from $234,800 in 32046 (Hilliard) to $537,800 in 32034 (Fernandina Beach).
Density varies 12× across the county — from 48 people/sq mi in 32009 (Bryceville) to 601 in 32034 (Fernandina Beach).
Educational attainment ranges from 12.4% bachelor's+ in 32046 (Hilliard) to 53.0% in 32034 (Fernandina Beach) — the breadth of educational profiles across the area.
Within Florida, this is the #37 most populous of 67 counties and ranks #16 for median household income with the #5 fastest decade growth .
On the national stage, Nassau County is and #52 for decade growth .
Weighted by population, the typical household earns about $89,654 across the county — reflecting what a typical resident sees, not a simple ZIP average.
35.6% of adults age 25+ hold a bachelor's degree or higher (25,894 of 72,833 reporting).
5 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 32034 | Fernandina Beach | Standard | 41,029 | $98,583 | 68.2 | 29.7% |
| 32097 | Yulee | Standard | 26,700 | $93,161 | 138.1 | 65.8% |
| 32011 | Callahan | Standard | 15,421 | $76,677 | 157.7 | 8.9% |
| 32046 | Hilliard | Standard | 10,593 | $71,563 | 211.6 | 10.3% |
| 32009 | Bryceville | Standard | 4,045 | $72,792 | 83.6 | 20.8% |
| 32041 | Yulee | PO Box | — | — | 0.0 | — |
| 32035 | Fernandina Beach | PO Box | — | — | 0.0 | — |