Henderson County, Kentucky

A county in Kentucky, ranked 25 of 120 by population.

CountyFIPS 21101

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

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Population
44,255
-422 (-0.9%) since 2020
Land area
436.4
square miles. A further 6.3% of the total area is water
Population density
101
people per square mile, computed rather than published
County seat
Henderson
Seat of county government.
Established
1798
227 years ago
Largest city
Henderson city
Population 27,822.

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 Henderson 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 Henderson 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 550 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 Henderson 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
Population44,25525th of 1201,116th of 3,144
Land area436.4 sq mi24th of 1202,322nd of 3,144
Population density101 per sq mi30th of 120900th of 3,144
Median household income$58,85158th of 1202,185th of 3,143

Full data for Henderson County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population44,255Vintage 2025 Population Estimates
Population in 202044,677Vintage 2025 Population Estimates
2020 estimates base?44,794Vintage 2025 Population Estimates
Land area436.4 sq mi2025 Gazetteer Files
Water area29.2 sq mi2025 Gazetteer Files
Total area465.6 sq mi2025 Gazetteer Files
Population density?101 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$58,851American Community Survey 2020-2024 5-Year Estimates
Median home value$171,900American Community Survey 2020-2024 5-Year Estimates
Median age40.9American Community Survey 2020-2024 5-Year Estimates
Households18,522American Community Survey 2020-2024 5-Year Estimates
Housing units20,151American 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
+34
584 births, 550 deaths
Net migration
-128
More people moved out than moved in.

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

The 7 areas bordering Henderson 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
Vanderburgh CountyIndiana35 mi181,995
Union CountyKentucky27 mi12,839
Daviess CountyKentucky22 mi104,898
Posey CountyIndiana16 mi24,988
Webster CountyKentucky13 mi12,929
Warrick CountyIndiana9.3 mi66,803
McLean CountyKentucky5.8 mi9,064

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.