Columbia County, Georgia
County seat: Appling · Population 169,189 (2025) · 290 sq mi
Columbia County is the 15th most populous of Georgia's 159 counties, with 169,189 people (2025 estimate). Its county seat is Appling. It is part of the Central Savannah River Area region, one of the 12 Georgia Regional Commissions. The map shows its 2 cities and towns and the 5 neighboring counties.
Columbia County facts
- County seat
- Appling
- Population (2025 estimate)
- 169,189 +8.4% since 2020
- Land area
- 290 sq mi 101st largest of 159
- Water area
- 18 sq mi
- Population density
- 583 per sq mi
- Established
- 1790
- Named after
- Christopher Columbus Italian navigator, explorer, and colonist (1451–1506)
- Largest city
- Evans 36,998
- Median household income
- $95,592
- Cities and towns
- 2 plus 3 CDPs
- ZIP codes
- 7
- Time zone
- Eastern
- FIPS code
- 13073
Cities and towns in Columbia County
Columbia County has 2 incorporated cities, towns and villages. Populations count the people living inside Columbia County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Grovetown | City | 17,939 | |
| Harlem | City | 4,239 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Evans | 36,998 | |
| Martinez | 33,750 | |
| Appling | 702 |
ZIP codes in Columbia County
7 ZIP codes reach into Columbia County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 30802 also McDuffie County
- 30809
- 30813 also Richmond County
- 30814 also McDuffie County
- 30824 also McDuffie and Warren counties
- 30907 also Richmond County
- 30909 also Richmond County
Population of Columbia County, 2020–2025
Columbia County grew by 13,170 people (+8.4%) between April 2020 and July 2025: 2,378 more births than deaths and a net gain of 10,791 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 156,860 |
| 2021 | 159,649 |
| 2022 | 162,441 |
| 2023 | 165,093 |
| 2024 | 167,263 |
| 2025 | 169,189 |
Neighboring counties
- McDuffie County west · 21,640 people
- Richmond County southeast · 206,559 people
- Lincoln County northwest · 8,112 people
- McCormick County, South Carolina north · 10,215 people
- Edgefield County, South Carolina northeast · 29,808 people
Printable Columbia County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (93 KB)
- PNG (2400 px) (99 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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