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County ZIP codes · Florida · FIPS 12107

Putnam County, FL ZIP Codes

Putnam County, Florida has 22 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 16 residential and 6 for PO boxes or a single organization. 13 of the residential ones lie mainly in Putnam County and 3 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $35,474 in 32140 (Florahome) to $84,145 in 32043 (Green Cove Springs) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Putnam County?

32043 · Green Cove Springs: $84k32112 · Crescent City: $40k32131 · East Palatka: $69k32134 · Fort McCoy: $46k32139 · Georgetown: $58k32140 · Florahome: $36k32147 · Hollister: –32148 · Interlachen: $45k32157 · Lake Como: $22k32177 · Palatka: $48k32181 · Pomona Park: $47k32187 · San Mateo: $52k32189 · Satsuma: $43k32193 · Welaka: $57k32640 · Hawthorne: $60k32666 · Melrose: $69k3213432177326403204332112326663214832131321473218932140321813213932043 · Green Cove Springs: $84k32112 · Crescent City: $40k32131 · East Palatka: $69k32134 · Fort McCoy: $46k32139 · Georgetown: $58k32140 · Florahome: $36k32147 · Hollister: –32148 · Interlachen: $45k32157 · Lake Como: $22k32177 · Palatka: $48k32181 · Pomona Park: $47k32187 · San Mateo: $52k32189 · Satsuma: $43k32193 · Welaka: $57k32640 · Hawthorne: $60k32666 · Melrose: $69k3213432177326403204332112326663214832131321473218932140321813213932043 · Green Cove Springs: $84k32112 · Crescent City: $40k32131 · East Palatka: $69k32134 · Fort McCoy: $46k32139 · Georgetown: $58k32140 · Florahome: $36k32147 · Hollister: –32148 · Interlachen: $45k32157 · Lake Como: $22k32177 · Palatka: $48k32181 · Pomona Park: $47k32187 · San Mateo: $52k32189 · Satsuma: $43k32193 · Welaka: $57k32640 · Hawthorne: $60k32666 · Melrose: $69k321343217732640320433211232666321483213132189
The residential ZIP codes of Putnam County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $42,920 and $60,208.

They carry 16 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 16 residential ZIP codes in Putnam County

13 ZIP codes lie mainly in Putnam County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Putnam County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
32177 Palatka 25,645 113 $48k $166k 100%
32148 Interlachen 12,063 154 $45k $112k 100%
32112 Crescent City 8,214 160 $40k $152k 100%
32666 Melrose 6,662 117 $69k $218k 65%
32189 Satsuma 5,593 191 $43k $153k 100%
32131 East Palatka 5,078 142 $69k $233k 92%
32181 Pomona Park 2,377 93 $47k $100k 100%
32140 Florahome 1,479 44 $36k $152k 90%
32147 Hollister 1,353 45 – $176k 100%
32193 Welaka 1,236 347 $57k $281k 100%
32187 San Mateo 1,191 52 $52k $171k 100%
32139 Georgetown 981 78 $58k – 100%
32157 Lake Como 639 254 $22k $120k 100%

Partly in Putnam County

Residential ZIP codes mainly in another county that reach at least 1% into Putnam County, by their share here
In this county
32640 Hawthorne 10,623 57 $60k $170k 43%
32134 Fort McCoy 7,442 28 $46k $152k 18%
32043 Green Cove Springs 34,562 151 $84k $338k 7%

Download the 22 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

6 ZIP codes of Putnam County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Putnam County and in the neighboring counties
ZIPIn PutnamElsewhere
320437%Clay County 93%
3264043%Alachua County 57%
3213418%Marion County 81%; Lake County 1%
3266665%Clay County 16%; Alachua County 13%; Bradford County 7%
3213192%St. Johns County 8%
3214090%Clay County 10%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Putnam County without a residential area (GeoNames postal codes)
ZIPPostal name
32007Bostwick
32138Grandin
32149Interlachen
32178Palatka
32185Putnam Hall
33112Miami

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Putnam County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Putnam County's ZIP codes use 4 prefixes: 320, 321, 326 and 331.

Three-digit prefixes of Putnam County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Putnam County's
PrefixSectional centerHereAll codes
320 Jacksonville, FL (SCF 320) 2 58
321 Orlando, FL (SCF 328) 17 69
326 Jacksonville, FL (SCF 320) 2 55
331 Miami, FL (SCF 331) 1 83

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.