County Maps US

Warren County, Kentucky

A county in Kentucky, ranked 4 of 120 by population.

CountyFIPS 21227

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

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Population
149,375
+14,336 (+10.6%) since 2020
Land area
541.7
square miles. A further 1.1% of the total area is water
Population density
276
people per square mile, computed rather than published
County seat
Bowling Green
Seat of county government.
Established
1796
229 years ago
Largest city
Bowling Green city
Population 78,505.

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 Warren 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 Warren 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 746 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 Warren 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
Population149,3754th of 120467th of 3,144
Land area541.7 sq mi10th of 1201,929th of 3,144
Population density276 per sq mi10th of 120469th of 3,144
Median household income$65,79425th of 1201,565th of 3,143

Full data for Warren County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population149,375Vintage 2025 Population Estimates
Population in 2020135,039Vintage 2025 Population Estimates
2020 estimates base?134,563Vintage 2025 Population Estimates
Land area541.7 sq mi2025 Gazetteer Files
Water area5.8 sq mi2025 Gazetteer Files
Total area547.6 sq mi2025 Gazetteer Files
Population density?276 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$65,794American Community Survey 2020-2024 5-Year Estimates
Median home value$258,000American Community Survey 2020-2024 5-Year Estimates
Median age33.3American Community Survey 2020-2024 5-Year Estimates
Households55,643American Community Survey 2020-2024 5-Year Estimates
Housing units59,868American 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
+583
1,869 births, 1,286 deaths
Net migration
+2,223
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 Warren 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
Butler CountyKentucky33 mi12,520
Allen CountyKentucky23 mi22,536
Edmonson CountyKentucky20 mi12,749
Simpson CountyKentucky16 mi20,788
Barren CountyKentucky9.2 mi45,641
Logan CountyKentucky8.8 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.