County Maps US

Calloway County, Kentucky

A county in Kentucky, ranked 26 of 120 by population.

CountyFIPS 21035

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

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Population
39,421
+1,826 (+4.9%) since 2020
Land area
384.9
square miles. A further 6.3% of the total area is water
Population density
102
people per square mile, computed rather than published
County seat
Murray
Seat of county government.
Established
1821
204 years ago
Largest city
Murray city
Population 18,964.

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 Calloway 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 Calloway 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 580 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 Calloway 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
Population39,42126th of 1201,203rd of 3,144
Land area384.9 sq mi36th of 1202,585th of 3,144
Population density102 per sq mi27th of 120891st of 3,144
Median household income$52,70671st of 1202,618th of 3,143

Full data for Calloway County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population39,421Vintage 2025 Population Estimates
Population in 202037,595Vintage 2025 Population Estimates
2020 estimates base?37,543Vintage 2025 Population Estimates
Land area384.9 sq mi2025 Gazetteer Files
Water area25.8 sq mi2025 Gazetteer Files
Total area410.7 sq mi2025 Gazetteer Files
Population density?102 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$52,706American Community Survey 2020-2024 5-Year Estimates
Median home value$183,200American Community Survey 2020-2024 5-Year Estimates
Median age35.9American Community Survey 2020-2024 5-Year Estimates
Households15,239American Community Survey 2020-2024 5-Year Estimates
Housing units18,106American 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
332 births, 419 deaths
Net migration
+608
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 5 areas bordering Calloway 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
Henry CountyTennessee24 mi32,896
Marshall CountyKentucky21 mi31,659
Graves CountyKentucky17 mi37,050
Stewart CountyTennessee13 mi14,439
Trigg CountyKentucky5.3 mi14,512

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.