Carroll County, Kentucky

A county in Kentucky, ranked 95 of 120 by population.

CountyFIPS 21041

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

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Population
11,141
+310 (+2.9%) since 2020
Land area
128.7
square miles. A further 6.2% of the total area is water
Population density
86.6
people per square mile, computed rather than published
County seat
Carrollton
Seat of county government.
Established
1838
187 years ago
Largest city
Carrollton city
Population 3,964.

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 Carroll 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 Carroll 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 503 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 Carroll 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
Population11,14195th of 1202,337th of 3,144
Land area128.7 sq mi118th of 1203,076th of 3,144
Population density86.6 per sq mi41st of 1201,023rd of 3,144
Median household income$56,46663rd of 1202,377th of 3,143

Full data for Carroll County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population11,141Vintage 2025 Population Estimates
Population in 202010,831Vintage 2025 Population Estimates
2020 estimates base?10,804Vintage 2025 Population Estimates
Land area128.7 sq mi2025 Gazetteer Files
Water area8.6 sq mi2025 Gazetteer Files
Total area137.3 sq mi2025 Gazetteer Files
Population density?86.6 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$56,466American Community Survey 2020-2024 5-Year Estimates
Median home value$140,900American Community Survey 2020-2024 5-Year Estimates
Median age38.5American Community Survey 2020-2024 5-Year Estimates
Households4,178American Community Survey 2020-2024 5-Year Estimates
Housing units4,693American 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
+24
167 births, 143 deaths
Net migration
+4
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 Carroll 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
Trimble CountyKentucky16 mi8,701
Owen CountyKentucky13 mi11,601
Switzerland CountyIndiana12 mi10,037
Jefferson CountyIndiana8.9 mi33,279
Gallatin CountyKentucky8.5 mi8,840
Henry CountyKentucky5.1 mi16,447

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.