| ZIP Codes: | 3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 324 / 904 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:11:36 PM |
| Population: | 28,197 [See All] |
| FIPS: | 12003 |
| CBSA: | Jacksonville, FL |
| Land Area: | 613 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 30.2963, -82.2200 |
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28,197 residents live across 3 ZIPs covering 613 sq mi, served by 3 distinct USPS-recognized cities.
Population moved from 26,743 to 28,197 from 2014 to 2024 — a +5.4% change. 2 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 32040 (Glen Saint Mary, $84,095 median) and poorest ZIP 32087 (Sanderson, $67,097) are 11.0 miles apart — a 1.3× income gap across local geography.
Median home values vary 1.1× across this county — from $242,800 in 32087 (Sanderson) to $261,500 in 32040 (Glen Saint Mary).
Density varies 17× across the county — from 11 people/sq mi in 32087 (Sanderson) to 192 in 32063 (Macclenny).
Educational attainment ranges from 4.5% bachelor's+ in 32087 (Sanderson) to 22.9% in 32063 (Macclenny) — the breadth of educational profiles across the area.
Within Florida, this is the #50 most populous of 67 counties and ranks #25 for median household income with the #43 fastest decade growth .
Weighted by population, the typical household earns about $76,958 across the county — reflecting what a typical resident sees, not a simple ZIP average.
17.5% of adults age 25+ hold a bachelor's degree or higher (3,297 of 18,787 reporting).
3 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.