ZIP Codes of Liberty County, GA

Population & People
Population & People
Total Population
70,221
Household Income
Household Income
Median Income
$62,220
Housing
Housing
Total Housing Units
29,025
Business & Economy
Business & Economy
Total Businesses
932
Employment
Employment
Employment Rate
48.52%
Education
Education
Bachelor's Degree+
20.05%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 9 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:9 ZIP Codes (7 Standard, 2 PO Box, 0 Unique) [See All]
Area Code:912
Timezone:Eastern (GMT -05:00)
Local Time:11:53:03 PM
Population:70,221 [See All]
FIPS:13179
CBSA:Hinesville, GA
Land Area:563 sq mi
Water Area:22 sq mi
Coordinates:31.8134, -81.5326
Quick Link:
https://www.zip-codes.com/county/ga-liberty.asp
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Among Georgia's 5 most renter-heavy counties
49.5% of homes rented — #4 statewide.

Standout ZIPs in this County


Most Populous
Hinesville · 42,838 people
61.0% of county total
Highest Income
Fleming · $100,450 median
1.6× county average
Largest Land Area
Midway · 158.7 sq mi
Spans the most ground
Fastest Growth
Fort Stewart · 33.3% (10-yr)
1,592 → 2,122 residents
Most Educated
Fort Stewart · 26.7% bachelor's+
772 of 2,893 adults 25+

Things worth knowing about Liberty County


70,221 residents live across 9 ZIPs covering 563 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 67,326 to 70,111 from 2014 to 2024 — a +4.1% change. 3 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 31309 (Fleming, $100,450 median) and poorest ZIP 31323 (Riceboro, $47,782) are 16.0 miles apart — a 2.1× income gap across local geography.

Median home values vary 2.5× across this county — from $95,100 in 31309 (Fleming) to $234,100 in 31320 (Midway).

Density varies 198× across the county — from 10 people/sq mi in 31323 (Riceboro) to 1,976 in 31315 (Fort Stewart).

Educational attainment ranges from 7.8% bachelor's+ in 31323 (Riceboro) to 26.7% in 31315 (Fort Stewart) — the breadth of educational profiles across the area.

Within Georgia, this is the #36 most populous of 161 counties and ranks #69 for median household income .

Weighted by population, the typical household earns about $62,534 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.0% of adults age 25+ hold a bachelor's degree or higher (8,224 of 41,027 reporting).

7 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Liberty County


Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Hinesville

All ZIP Codes in Liberty County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
31313HinesvilleStandard42,838$60,23382.94.4%
31320MidwayStandard10,794$77,195158.723.0%
31315Fort StewartStandard7,580$53,5003.8-10.4%
31301AllenhurstStandard4,933$65,41719.2-1.6%
31314Fort StewartStandard2,122128.833.3%
31323RiceboroStandard1,364$47,782136.8-13.5%
31309FlemingStandard480$100,45033.0-46.1%
31333WalthourvillePO Box110$30,9620.0
31310HinesvillePO Box0.0

Adjacent & Nearby Counties