County Maps US

Anderson County, Kentucky

A county in Kentucky, ranked 46 of 120 by population.

CountyFIPS 21005

Within Kentucky
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 Lawrenceburg, the county seat, located via the 2025 Census Gazetteer.

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Population
25,225
+1,323 (+5.5%) since 2020
Land area
202.3
square miles. A further 1.0% of the total area is water
Population density
125
people per square mile, computed rather than published
County seat
Lawrenceburg
Seat of county government.
Established
1827
198 years ago
Largest city
Lawrenceburg city
Population 12,329.

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, Kentucky 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 680 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 120 counties of Kentucky, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn KentuckyNationally
Population25,22546th of 1201,619th of 3,144
Land area202.3 sq mi101st of 1202,993rd of 3,144
Population density125 per sq mi23rd of 120773rd of 3,144
Median household income$74,48811th of 120871st 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
Population25,225Vintage 2025 Population Estimates
Population in 202023,902Vintage 2025 Population Estimates
2020 estimates base?23,880Vintage 2025 Population Estimates
Land area202.3 sq mi2025 Gazetteer Files
Water area2.0 sq mi2025 Gazetteer Files
Total area204.3 sq mi2025 Gazetteer Files
Population density?125 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$74,488American Community Survey 2020-2024 5-Year Estimates
Median home value$225,100American Community Survey 2020-2024 5-Year Estimates
Median age41.7American Community Survey 2020-2024 5-Year Estimates
Households9,653American Community Survey 2020-2024 5-Year Estimates
Housing units10,326American 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
+25
305 births, 280 deaths
Net migration
+242
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 7 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
Mercer CountyKentucky22 mi23,733
Woodford CountyKentucky17 mi27,883
Washington CountyKentucky16 mi12,368
Franklin CountyKentucky11 mi52,649
Spencer CountyKentucky11 mi20,998
Shelby CountyKentucky9.4 mi51,243
Nelson CountyKentucky5.2 mi49,036

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

All 120 counties of Kentucky

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

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