ZIP Codes of Peach County, GA

Population & People
Population & People
Total Population
40,075
Household Income
Household Income
Median Income
$71,652
Housing
Housing
Total Housing Units
16,802
Business & Economy
Business & Economy
Total Businesses
607
Employment
Employment
Employment Rate
58.69%
Education
Education
Bachelor's Degree+
20.70%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 2 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:478
Timezone:Eastern (GMT -05:00)
Local Time:2:11:47 PM
Population:40,075 [See All]
FIPS:13225
CBSA:Warner Robins, GA
Land Area:242 sq mi
Water Area:2 sq mi
Coordinates:32.6089, -83.8479
Quick Link:
https://www.zip-codes.com/county/ga-peach.asp
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Georgia's #51 most populous county
40,075 residents across 2 ZIPs — #51 of 161 Georgia counties.

Standout ZIPs in this County


Most Populous
Byron · 22,602 people
56.4% of county total
Highest Income
Byron · $83,992 median
1.2× county average
Largest Land Area
Fort Valley · 170.9 sq mi
Spans the most ground
Fastest Growth
Byron · 24.6% (10-yr)
18,146 → 22,602 residents
Most Educated
Byron · 21.6% bachelor's+
3,397 of 15,691 adults 25+

Things worth knowing about Peach County


40,075 residents live across 2 ZIPs covering 242 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 37,314 to 40,075 from 2014 to 2024 — a +7.4% change. 1 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 31008 (Byron, $83,992 median) and poorest ZIP 31030 (Fort Valley, $59,313) are 9.4 miles apart — a 1.4× income gap across local geography.

Median home values vary 1.5× across this county — from $148,000 in 31030 (Fort Valley) to $215,500 in 31008 (Byron).

Density varies across the county — from 102 people/sq mi in 31030 (Fort Valley) to 317 in 31008 (Byron).

Educational attainment ranges from 19.3% bachelor's+ in 31030 (Fort Valley) to 21.6% in 31008 (Byron) — the breadth of educational profiles across the area.

Within Georgia, this is the #51 most populous of 161 counties and ranks #45 for median household income with the #56 fastest decade growth .

Weighted by population, the typical household earns about $73,232 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.7% of adults age 25+ hold a bachelor's degree or higher (5,495 of 26,546 reporting).

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

All ZIP Codes in Peach County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
31008ByronStandard22,602$83,99271.424.6%
31030Fort ValleyStandard17,473$59,313170.9-8.8%

Adjacent & Nearby Counties