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County ZIP codes · Florida · FIPS 12019

Clay County, FL ZIP Codes

Clay County, Florida has 17 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 12 residential and 5 for PO boxes or a single organization. 7 of the residential ones lie mainly in Clay County and 5 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $35,474 in 32140 (Florahome) to $116,611 in 32003 (Fleming Island) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Clay County?

32003 · Fleming Island: $117k32043 · Green Cove Springs: $84k32058 · Lawtey: $66k32065 · Orange Park: $98k32068 · Middleburg: $84k32073 · Orange Park: $77k32079 · Penney Farms: $41k32091 · Starke: $63k32140 · Florahome: $36k32234 · Jacksonville: $87k32656 · Keystone Heights: $74k32666 · Melrose: $69k320433223432091320683265632666320583214032065320733200332003 · Fleming Island: $117k32043 · Green Cove Springs: $84k32058 · Lawtey: $66k32065 · Orange Park: $98k32068 · Middleburg: $84k32073 · Orange Park: $77k32079 · Penney Farms: $41k32091 · Starke: $63k32140 · Florahome: $36k32234 · Jacksonville: $87k32656 · Keystone Heights: $74k32666 · Melrose: $69k320433223432091320683265632666320583214032065320733200332003 · Fleming Island: $117k32043 · Green Cove Springs: $84k32058 · Lawtey: $66k32065 · Orange Park: $98k32068 · Middleburg: $84k32073 · Orange Park: $77k32079 · Penney Farms: $41k32091 · Starke: $63k32140 · Florahome: $36k32234 · Jacksonville: $87k32656 · Keystone Heights: $74k32666 · Melrose: $69k320433223432091320683265632666320583214032065
The residential ZIP codes of Clay 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 $65,641 and $84,431.

They carry 11 postal town names.

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

All 12 residential ZIP codes in Clay County

7 ZIP codes lie mainly in Clay County; 5 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Clay County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
32068 Middleburg 58,983 511 $84k $290k 100%
32073 Orange Park 43,561 2,587 $77k $288k 100%
32065 Orange Park 41,578 2,099 $98k $299k 100%
32043 Green Cove Springs 34,562 151 $84k $338k 93%
32003 Fleming Island 29,766 1,879 $117k $422k 100%
32656 Keystone Heights 15,836 226 $74k $231k 95%
32079 Penney Farms 419 927 $41k – 100%

Partly in Clay County

Residential ZIP codes mainly in another county that reach at least 1% into Clay County, by their share here
In this county
32234 Jacksonville 9,678 64 $87k $263k 29%
32666 Melrose 6,662 117 $69k $218k 16%
32091 Starke 14,719 97 $63k $206k 16%
32140 Florahome 1,479 44 $36k $152k 10%
32058 Lawtey 4,655 65 $66k $191k 3%

Download the 17 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?

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

Share of each ZIP code's land in Clay County and in the neighboring counties
ZIPIn ClayElsewhere
3204393%Putnam County 7%
3265695%Bradford County 5%
3209116%Bradford County 84%
3223429%Duval County 46%; Baker County 21%; Nassau County 4%
3266616%Putnam County 65%; Alachua County 13%; Bradford County 7%
320583%Bradford County 87%; Union County 10%
3214010%Putnam County 90%

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

PO Box and single-organization ZIP codes

ZIP codes in Clay County without a residential area (GeoNames postal codes)
ZIPPostal name
32006Fleming Island
32030Doctors Inlet
32050Middleburg
32067Orange Park
32160Lake Geneva

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Clay County's ZIP codes use 4 prefixes: 320, 321, 322 and 326.

Three-digit prefixes of Clay 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 Clay County's
PrefixSectional centerHereAll codes
320 Jacksonville, FL (SCF 320) 12 58
321 Orlando, FL (SCF 328) 2 69
322 Jacksonville, FL (SCF 320) 1 52
326 Jacksonville, FL (SCF 320) 2 55

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