| ZIP Codes: | 13 ZIP Codes (7 Standard, 6 PO Box, 0 Unique) [See All] |
| Area Codes: | 324 / 352 / 904 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:11:37 PM |
| Population: | 234,383 [See All] |
| FIPS: | 12019 |
| CBSA: | Jacksonville, FL |
| Land Area: | 696 sq mi |
| Water Area: | 32 sq mi |
| Coordinates: | 30.0544, -81.8234 |
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234,383 residents live across 13 ZIPs covering 696 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 199,739 to 234,383 from 2014 to 2024 — a +17.3% change. 8 ZIPs gained residents, 0 lost.
The county's wealthiest ZIP 32003 (Fleming Island, $116,611 median) and poorest ZIP 32656 (Keystone Heights, $74,213) are 23.0 miles apart — a 1.6× income gap across local geography.
Median home values vary 1.8× across this county — from $231,200 in 32656 (Keystone Heights) to $422,400 in 32003 (Fleming Island).
Density varies 34× across the county — from 62 people/sq mi in 32234 (Jacksonville) to 2,134 in 32073 (Orange Park).
Educational attainment ranges from 20.0% bachelor's+ in 32234 (Jacksonville) to 49.6% in 32003 (Fleming Island) — the breadth of educational profiles across the area.
Within Florida, this is the #25 most populous of 67 counties and ranks #15 for median household income with the #24 fastest decade growth .
Weighted by population, the typical household earns about $88,655 across the county — reflecting what a typical resident sees, not a simple ZIP average.
28.3% of adults age 25+ hold a bachelor's degree or higher (45,871 of 162,140 reporting).
7 Standard delivery, 6 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 32068 | Middleburg | Standard | 58,983 | $84,431 | 117.4 | 15.8% |
| 32073 | Orange Park | Standard | 43,561 | $76,455 | 20.4 | 13.1% |
| 32065 | Orange Park | Standard | 41,578 | $97,455 | 23.0 | 15.7% |
| 32043 | Green Cove Springs | Standard | 34,562 | $84,145 | 242.2 | 40.1% |
| 32003 | Fleming Island | Standard | 29,766 | $116,611 | 28.0 | 0.4% |
| 32656 | Keystone Heights | Standard | 15,836 | $74,213 | 109.3 | 17.1% |
| 32234 | Jacksonville | Standard | 9,678 | $87,331 | 155.9 | 56.6% |
| 32079 | Penney Farms | PO Box | 419 | $41,094 | 0.0 | 28.1% |
| 32050 | Middleburg | PO Box | — | — | 0.0 | — |
| 32160 | Lake Geneva | PO Box | — | — | 0.0 | — |
| 32006 | Fleming Island | PO Box | — | — | 0.0 | — |
| 32030 | Doctors Inlet | PO Box | — | — | 0.0 | — |
| 32067 | Orange Park | PO Box | — | — | 0.0 | — |