County Maps US

Anderson County, Tennessee

A county in Tennessee, ranked 18 of 95 by population.

CountyFIPS 47001

Within Tennessee
Anderson County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Clinton, the county seat, located via the 2025 Census Gazetteer.

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Population
82,066
+4,719 (+6.1%) since 2020
Land area
337.2
square miles. A further 2.2% of the total area is water
Population density
243
people per square mile, computed rather than published
County seat
Clinton
Seat of county government.
Established
1801
224 years ago
Largest city
Oak Ridge city
Population 30,300 for the whole place, which extends beyond this county.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Anderson County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Anderson County, Tennessee from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 767 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Anderson County ranks

Position among the 95 counties of Tennessee, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn TennesseeNationally
Population82,06618th of 95714th of 3,144
Land area337.2 sq mi65th of 952,720th of 3,144
Population density243 per sq mi16th of 95510th of 3,144
Median household income$66,18325th of 951,514th of 3,143

Full data for Anderson County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population82,066Vintage 2025 Population Estimates
Population in 202077,347Vintage 2025 Population Estimates
2020 estimates base?77,170Vintage 2025 Population Estimates
Land area337.2 sq mi2025 Gazetteer Files
Water area7.6 sq mi2025 Gazetteer Files
Total area344.8 sq mi2025 Gazetteer Files
Population density?243 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$66,183American Community Survey 2020-2024 5-Year Estimates
Median home value$239,400American Community Survey 2020-2024 5-Year Estimates
Median age41.5American Community Survey 2020-2024 5-Year Estimates
Households32,755American Community Survey 2020-2024 5-Year Estimates
Housing units35,880American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-229
897 births, 1,126 deaths
Net migration
+720
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Anderson County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Knox CountyTennessee41 mi511,453
Campbell CountyTennessee37 mi40,290
Morgan CountyTennessee12 mi22,160
Roane CountyTennessee10 mi57,395
Union CountyTennessee7.7 mi21,450
Scott CountyTennessee6.5 mi22,671

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 95 counties of Tennessee

Open the interactive Tennessee county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.