Anderson County, Tennessee
County seat: Clinton · Population 82,066 (2025) · 337 sq mi
Anderson County is the 18th most populous of Tennessee's 95 counties, with 82,066 people (2025 estimate). Its county seat is Clinton. It is part of the East Tennessee region, one of the 3 Grand Divisions of Tennessee. The map shows its 5 cities and towns and the 6 neighboring counties.
Anderson County facts
- County seat
- Clinton
- Population (2025 estimate)
- 82,066 +6.3% since 2020
- Land area
- 337 sq mi 65th largest of 95
- Water area
- 8 sq mi
- Population density
- 243 per sq mi
- Established
- 1801
- Same name
- One of 5 Anderson Counties in the US
- Named after
- Joseph Anderson American soldier, judge, and politician, who served as a United States Senator from Tennessee (1757-1837)
- Largest city
- Oak Ridge 30,300 in the county
- Median household income
- $66,183
- Cities and towns
- 5 plus 2 CDPs
- ZIP codes
- 11
- Time zone
- Eastern
- FIPS code
- 47001
Cities and towns in Anderson County
Anderson County has 5 incorporated cities, towns and villages. Populations count the people living inside Anderson County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Oak Ridge | City | 30,300 | Roane County |
| Clinton (county seat) | City | 10,466 | |
| Oliver Springs | Town | 2,442 | Morgan and Roane counties |
| Rocky Top | City | 1,634 | Campbell County |
| Norris | City | 1,621 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Andersonville | 353 | |
| Briceville | 175 |
ZIP codes in Anderson County
11 ZIP codes reach into Anderson County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 37705 also Union County
- 37710
- 37716
- 37754 also Knox and Union counties
- 37769 also Campbell County
- 37828
- 37830 also Roane and Knox counties
- 37840 also Morgan and Roane counties
- 37849 also Knox County
- 37931 also Knox County
- 37938 also Knox and Union counties
Population of Anderson County, 2020–2025
Anderson County grew by 4,896 people (+6.3%) between April 2020 and July 2025: 1,688 more deaths than births and a net gain of 6,454 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 77,347 |
| 2021 | 77,678 |
| 2022 | 79,042 |
| 2023 | 80,369 |
| 2024 | 81,574 |
| 2025 | 82,066 |
Neighboring counties
- Knox County southeast · 511,453 people
- Campbell County north · 40,290 people
- Morgan County west · 22,160 people
- Roane County southwest · 57,395 people
- Union County northeast · 21,450 people
- Scott County northwest · 22,671 people
Printable Anderson 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) (102 KB)
- PNG (2400 px) (95 KB)
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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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