ZIP codes in Duval County
54 ZIPs touch Duval County, Florida. The blue dashed line is the county border; orange ZIPs reach into it.
54
ZIP codes
4
cross the county line
1,125,442
people in these ZIPs
67
counties in FL
Most people
Duval County ZIP list
More counties in Florida
- Citrus County24
- Clay County16
- Collier County29
- Columbia County9
- DeSoto County6
- Dixie County6
- Escambia County30
- Flagler County10
- Franklin County9
- Gadsden County8
- Gilchrist County5
- Glades County6
Questions people actually ask
How many ZIP codes are in Duval County, Florida?
54 ZIP codes reach into Duval County, including 16 PO Box or single-address ZIPs placed by the town they serve. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Duval County has the most people?
32259 (Saint Johns) has about 75,016 residents, the most of any ZIP touching Duval County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Duval County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Duval County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from