County Maps US

Calhoun County, Michigan

A county in Michigan, ranked 17 of 83 by population.

CountyFIPS 26025

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

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Population
133,408
-790 (-0.6%) since 2020
Land area
706.3
square miles. A further 1.7% of the total area is water
Population density
189
people per square mile, computed rather than published
County seat
Marshall
Seat of county government.
Established
1829
196 years ago
Largest city
Battle Creek city
Population 52,021.

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 Calhoun 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 Calhoun County, Michigan 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 661 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 Calhoun County ranks

Position among the 83 counties of Michigan, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn MichiganNationally
Population133,40817th of 83496th of 3,144
Land area706.3 sq mi26th of 831,307th of 3,144
Population density189 per sq mi20th of 83586th of 3,144
Median household income$63,17746th of 831,776th of 3,143

Full data for Calhoun County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population133,408Vintage 2025 Population Estimates
Population in 2020134,198Vintage 2025 Population Estimates
2020 estimates base?134,303Vintage 2025 Population Estimates
Land area706.3 sq mi2025 Gazetteer Files
Water area12.1 sq mi2025 Gazetteer Files
Total area718.3 sq mi2025 Gazetteer Files
Population density?189 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$63,177American Community Survey 2020-2024 5-Year Estimates
Median home value$162,800American Community Survey 2020-2024 5-Year Estimates
Median age40.2American Community Survey 2020-2024 5-Year Estimates
Households53,333American Community Survey 2020-2024 5-Year Estimates
Housing units59,602American 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
-338
1,337 births, 1,675 deaths
Net migration
+126
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 Calhoun 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
Jackson CountyMichigan24 mi159,552
Kalamazoo CountyMichigan24 mi263,795
Branch CountyMichigan24 mi45,993
Eaton CountyMichigan18 mi109,581
Barry CountyMichigan12 mi63,991
Hillsdale CountyMichigan6.0 mi45,738
St. Joseph CountyMichigana single point60,968

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 83 counties of Michigan

Open the interactive Michigan county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.