ZIP Codes of Columbia County, GA

Population & People
Population & People
Total Population
171,448
Household Income
Household Income
Median Income
$90,772
Housing
Housing
Total Housing Units
67,629
Business & Economy
Business & Economy
Total Businesses
3,336
Employment
Employment
Employment Rate
58.19%
Education
Education
Bachelor's Degree+
38.21%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:6 ZIP Codes (5 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:706 / 762
Timezone:Eastern (GMT -05:00)
Local Time:2:11:42 PM
Population:171,448 [See All]
FIPS:13073
CBSA:Augusta-Richmond County, GA-SC
Land Area:345 sq mi
Water Area:18 sq mi
Coordinates:33.5092, -82.1918
Quick Link:
https://www.zip-codes.com/county/ga-columbia.asp
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Georgia's #14 most populous county
171,448 residents across 6 ZIPs — #14 of 161 Georgia counties.

Standout ZIPs in this County


Most Populous
Evans · 54,743 people
31.9% of county total
Highest Income
Evans · $125,272 median
1.4× county average
Largest Land Area
Appling · 147.7 sq mi
Spans the most ground
Fastest Growth
Grovetown · 50.6% (10-yr)
34,833 → 52,466 residents
Most Educated
Evans · 49.0% bachelor's+
17,588 of 35,904 adults 25+

Things worth knowing about Columbia County


171,448 residents live across 6 ZIPs covering 345 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 141,842 to 171,448 from 2014 to 2024 — a +20.9% change. 4 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 30809 (Evans, $125,272 median) and poorest ZIP 30814 (Harlem, $74,129) are 13.5 miles apart — a 1.7× income gap across local geography.

Median home values vary 1.5× across this county — from $237,600 in 30814 (Harlem) to $367,900 in 30809 (Evans).

Density varies 42× across the county — from 45 people/sq mi in 30802 (Appling) to 1,850 in 30907 (Augusta).

Educational attainment ranges from 19.4% bachelor's+ in 30814 (Harlem) to 49.0% in 30809 (Evans) — the breadth of educational profiles across the area.

Within Georgia, this is the #14 most populous of 161 counties and ranks #13 for median household income with the #16 fastest decade growth .

Weighted by population, the typical household earns about $96,948 across the county — reflecting what a typical resident sees, not a simple ZIP average.

38.2% of adults age 25+ hold a bachelor's degree or higher (44,514 of 116,493 reporting).

5 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Columbia County


Where the growth lives

Columbia County grew 20.9% over the past decade — concentrated in 3 high-growth ZIPs:

Grovetown
+50.6%
34,833 → 52,466 residents
Evans
+30.0%
42,124 → 54,743 residents
Harlem
+28.6%
8,305 → 10,682 residents

All ZIP Codes in Columbia County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
30809EvansStandard54,743$125,27244.730.0%
30813GrovetownStandard52,466$86,92361.450.6%
30907AugustaStandard46,975$81,91225.4-7.7%
30814HarlemStandard10,682$74,12965.528.6%
30802ApplingStandard6,582$85,625147.715.9%
30917AugustaPO Box0.0

Adjacent & Nearby Counties