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County ZIP codes · Georgia · FIPS 13179

Liberty County, GA ZIP Codes

Liberty County, Georgia has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 8 residential and 1 for PO boxes or a single organization. 3 of the residential ones extend into a neighboring county. Median household income ranges from $47,782 in 31323 (Riceboro) to $77,195 in 31320 (Midway) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Liberty County?

31301 · Allenhurst: $65k31309 · Fleming: $101k31313 · Hinesville: $60k31314 · Fort Stewart: –31315 · Fort Stewart: $54k31320 · Midway: $77k31323 · Riceboro: $48k31333 · Walthourville: $31k3132031323313133131431309313013131531301 · Allenhurst: $65k31309 · Fleming: $101k31313 · Hinesville: $60k31314 · Fort Stewart: –31315 · Fort Stewart: $54k31320 · Midway: $77k31323 · Riceboro: $48k31333 · Walthourville: $31k3132031323313133131431309313013131531301 · Allenhurst: $65k31309 · Fleming: $101k31313 · Hinesville: $60k31314 · Fort Stewart: –31315 · Fort Stewart: $54k31320 · Midway: $77k31323 · Riceboro: $48k31333 · Walthourville: $31k313203132331313313143130931301
The residential ZIP codes of Liberty 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 $53,500 and $65,417.

They carry 7 postal town names: Hinesville, Midway, Fort Stewart, Allenhurst, Riceboro, Fleming, Walthourville.

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

All 8 residential ZIP codes in Liberty County

Residential ZIP codes mainly in Liberty County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
31313 Hinesville 42,838 701 $60k $196k 97%
31320 Midway 10,794 87 $77k $234k 100%
31315 Fort Stewart 7,580 2,243 $54k – 100%
31301 Allenhurst 4,933 280 $65k $182k 57%
31314 Fort Stewart 2,122 44 – – 100%
31323 Riceboro 1,364 9 $48k – 54%
31309 Fleming 480 16 $101k $95k 100%
31333 Walthourville 110 1,642 $31k – 100%

Download the 9 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?

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

Share of each ZIP code's land in Liberty County and in the neighboring counties
ZIPIn LibertyElsewhere
3131397%Long County 3%
3130157%Long County 43%
3132354%McIntosh County 32%; Long County 14%

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

PO Box and single-organization ZIP codes

ZIP codes in Liberty County without a residential area (GeoNames postal codes)
ZIPPostal name
31310Hinesville

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Liberty County starts with 313.

Three-digit prefixes of Liberty 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 Liberty County's
PrefixSectional centerHereAll codes
313 Jacksonville, FL (SCF 320) 9 27

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