County Maps US

Muhlenberg County, Kentucky

A county in Kentucky, ranked 35 of 120 by population.

CountyFIPS 21177

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

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Population
30,634
-270 (-0.9%) since 2020
Land area
467.3
square miles. A further 2.5% of the total area is water
Population density
65.6
people per square mile, computed rather than published
County seat
Greenville
Seat of county government.
Established
1798
227 years ago
Largest city
Central City city
Population 5,793.

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 Muhlenberg 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 Muhlenberg 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 749 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 Muhlenberg 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
Population30,63435th of 1201,426th of 3,144
Land area467.3 sq mi16th of 1202,203rd of 3,144
Population density65.6 per sq mi55th of 1201,233rd of 3,144
Median household income$51,92775th of 1202,662nd of 3,143

Full data for Muhlenberg County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population30,634Vintage 2025 Population Estimates
Population in 202030,904Vintage 2025 Population Estimates
2020 estimates base?30,934Vintage 2025 Population Estimates
Land area467.3 sq mi2025 Gazetteer Files
Water area12.1 sq mi2025 Gazetteer Files
Total area479.4 sq mi2025 Gazetteer Files
Population density?65.6 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$51,927American Community Survey 2020-2024 5-Year Estimates
Median home value$127,400American Community Survey 2020-2024 5-Year Estimates
Median age43.2American Community Survey 2020-2024 5-Year Estimates
Households12,123American Community Survey 2020-2024 5-Year Estimates
Housing units13,557American 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
-87
325 births, 412 deaths
Net migration
+149
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 Muhlenberg 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
Hopkins CountyKentucky44 mi45,127
Ohio CountyKentucky32 mi23,934
Butler CountyKentucky30 mi12,520
Christian CountyKentucky18 mi70,115
Todd CountyKentucky17 mi12,972
McLean CountyKentucky13 mi9,064
Logan CountyKentucky6.3 mi28,669

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.