ZIP codes in Putnam County
23 ZIPs touch Putnam County, Florida. The blue dashed line is the county border; orange ZIPs reach into it.
23
ZIP codes
7
cross the county line
130,897
people in these ZIPs
67
counties in FL
Most people
Putnam County ZIP list
More counties in Florida
- Orange County82
- Osceola County20
- Palm Beach County76
- Pasco County42
- Pinellas County73
- Polk County59
- Santa Rosa County11
- Sarasota County38
- Seminole County29
- St. Johns County14
- St. Lucie County22
- Sumter County12
Questions people actually ask
How many ZIP codes are in Putnam County, Florida?
23 ZIP codes reach into Putnam County, including 6 PO Box or single-address ZIPs placed by the town they serve. 7 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Putnam County has the most people?
32043 (Green Cove Springs) has about 34,562 residents, the most of any ZIP touching Putnam County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Putnam 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 Putnam 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