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County ZIP codes · Georgia · FIPS 13073

Columbia County, GA ZIP Codes

Columbia County, Georgia has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 6 residential and 1 for PO boxes or a single organization. 5 of the residential ones lie mainly in Columbia County and 1 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $71,364 in 30909 (Augusta) to $125,272 in 30809 (Evans) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Columbia County?

30802 · Appling: $86k30809 · Evans: $125k30813 · Grovetown: $87k30814 · Harlem: $74k30907 · Augusta: $82k30909 · Augusta: $71k30802308133081430809309093090730802 · Appling: $86k30809 · Evans: $125k30813 · Grovetown: $87k30814 · Harlem: $74k30907 · Augusta: $82k30909 · Augusta: $71k30802308133081430809309093090730802 · Appling: $86k30809 · Evans: $125k30813 · Grovetown: $87k30814 · Harlem: $74k30907 · Augusta: $82k30909 · Augusta: $71k308023081330814308093090930907
The residential ZIP codes of Columbia 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 $74,129 and $86,923.

They carry 5 postal town names: Evans, Grovetown, Augusta, Harlem, Appling.

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

All 6 residential ZIP codes in Columbia County

5 ZIP codes lie mainly in Columbia County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Columbia County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
30809 Evans 54,743 1,239 $125k $368k 100%
30813 Grovetown 52,466 1,041 $87k $288k 95%
30907 Augusta 46,975 1,947 $82k $242k 78%
30814 Harlem 10,682 200 $74k $238k 84%
30802 Appling 6,582 50 $86k $322k 98%

Partly in Columbia County

Residential ZIP codes mainly in another county that reach at least 1% into Columbia County, by their share here
In this county
30909 Augusta 46,501 1,824 $71k $242k 2%

Download the 7 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?

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

Share of each ZIP code's land in Columbia County and in the neighboring counties
ZIPIn ColumbiaElsewhere
3081395%Richmond County 5%
3090778%Richmond County 22%
309092%Richmond County 98%
3081484%McDuffie County 16%
3080298%McDuffie County 2%

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

PO Box and single-organization ZIP codes

ZIP codes in Columbia County without a residential area (GeoNames postal codes)
ZIPPostal name
30917Augusta

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Columbia County's ZIP codes use 2 prefixes: 308 and 309.

Three-digit prefixes of Columbia 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 Columbia County's
PrefixSectional centerHereAll codes
308 Augusta, GA (SCF 308) 4 25
309 Augusta, GA (SCF 308) 3 13

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