Duval County FL United States
| County FIPS | 12031 |
| Largest City | Jacksonville |
| State | Florida |
| Latitude | 30.3313 |
| Longitude | -81.6715 |
| Population | 1,023,153 |
| Density | 1341.97 people per square mile |
| Time Zone | America/New York |
Median household: $71,277
Median individual: $39,929
Mode: 51.0% White
Median house value: $299,262.0
Median: 36.9 years old
With at least college degree: 34.5%
With STEM degree: 44.1%
Never married: 36.1%
Unemployed: 4.5%
All data comes from the SimpleMaps US Counties Database, 2026.
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