County Maps US

Hart County, Kentucky

A county in Kentucky, ranked 58 of 120 by population.

CountyFIPS 21099

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

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Population
20,117
+829 (+4.3%) since 2020
Land area
412.7
square miles. A further 1.2% of the total area is water
Population density
48.7
people per square mile, computed rather than published
County seat
Munfordville
Seat of county government.
Established
1819
206 years ago
Largest city
Horse Cave city
Population 2,276.

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 Hart 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 Hart 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 616 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 Hart 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
Population20,11758th of 1201,820th of 3,144
Land area412.7 sq mi30th of 1202,451st of 3,144
Population density48.7 per sq mi71st of 1201,500th of 3,144
Median household income$52,28573rd of 1202,645th of 3,143

Full data for Hart County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population20,117Vintage 2025 Population Estimates
Population in 202019,288Vintage 2025 Population Estimates
2020 estimates base?19,279Vintage 2025 Population Estimates
Land area412.7 sq mi2025 Gazetteer Files
Water area5.2 sq mi2025 Gazetteer Files
Total area417.9 sq mi2025 Gazetteer Files
Population density?48.7 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$52,285American Community Survey 2020-2024 5-Year Estimates
Median home value$146,000American Community Survey 2020-2024 5-Year Estimates
Median age40.4American Community Survey 2020-2024 5-Year Estimates
Households7,376American Community Survey 2020-2024 5-Year Estimates
Housing units8,929American 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
+13
255 births, 242 deaths
Net migration
+196
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 Hart 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
Grayson CountyKentucky37 mi27,406
Green CountyKentucky20 mi11,644
Barren CountyKentucky18 mi45,641
Edmonson CountyKentucky14 mi12,749
Larue CountyKentucky13 mi15,184
Hardin CountyKentucky8.5 mi113,482
Metcalfe CountyKentucky3.3 mi10,583

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.