County Maps US

Hardin County, Kentucky

A county in Kentucky, ranked 6 of 120 by population.

CountyFIPS 21093

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

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Population
113,482
+2,648 (+2.4%) since 2020
Land area
623.9
square miles. A further 1.0% of the total area is water
Population density
182
people per square mile, computed rather than published
County seat
Elizabethtown
Seat of county government.
Established
1792
233 years ago
Largest city
Elizabethtown city
Population 35,448.

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 Hardin 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 Hardin 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 687 by 800 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 Hardin 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
Population113,4826th of 120566th of 3,144
Land area623.9 sq mi4th of 1201,545th of 3,144
Population density182 per sq mi16th of 120602nd of 3,144
Median household income$67,64718th of 1201,374th of 3,143

Full data for Hardin County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population113,482Vintage 2025 Population Estimates
Population in 2020110,834Vintage 2025 Population Estimates
2020 estimates base?110,698Vintage 2025 Population Estimates
Land area623.9 sq mi2025 Gazetteer Files
Water area6.2 sq mi2025 Gazetteer Files
Total area630.1 sq mi2025 Gazetteer Files
Population density?182 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$67,647American Community Survey 2020-2024 5-Year Estimates
Median home value$225,800American Community Survey 2020-2024 5-Year Estimates
Median age37.3American Community Survey 2020-2024 5-Year Estimates
Households44,622American Community Survey 2020-2024 5-Year Estimates
Housing units48,108American 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
+230
1,327 births, 1,097 deaths
Net migration
+610
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 9 areas bordering Hardin 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 CountyKentucky34 mi27,406
Larue CountyKentucky28 mi15,184
Bullitt CountyKentucky25 mi86,454
Meade CountyKentucky21 mi30,699
Breckinridge CountyKentucky16 mi21,503
Nelson CountyKentucky13 mi49,036
Hart CountyKentucky8.5 mi20,117
Harrison CountyIndiana2.9 mi40,437
Jefferson CountyKentucky0.7 mi795,222

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.