County Maps US

Cass County, Michigan

A county in Michigan, ranked 35 of 83 by population.

CountyFIPS 26027

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

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Population
51,677
+124 (+0.2%) since 2020
Land area
490.1
square miles. A further 3.6% of the total area is water
Population density
105
people per square mile, computed rather than published
County seat
Cassopolis
Seat of county government.
Established
1829
196 years ago
Largest city
Dowagiac city
Population 5,725.

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 Cass 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 Cass 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 729 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 Cass 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
Population51,67735th of 83987th of 3,144
Land area490.1 sq mi74th of 832,124th of 3,144
Population density105 per sq mi32nd of 83867th of 3,144
Median household income$70,44324th of 831,166th of 3,143

Full data for Cass County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population51,677Vintage 2025 Population Estimates
Population in 202051,553Vintage 2025 Population Estimates
2020 estimates base?51,588Vintage 2025 Population Estimates
Land area490.1 sq mi2025 Gazetteer Files
Water area18.2 sq mi2025 Gazetteer Files
Total area508.3 sq mi2025 Gazetteer Files
Population density?105 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$70,443American Community Survey 2020-2024 5-Year Estimates
Median home value$218,000American Community Survey 2020-2024 5-Year Estimates
Median age45.5American Community Survey 2020-2024 5-Year Estimates
Households21,207American Community Survey 2020-2024 5-Year Estimates
Housing units25,679American 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
-74
535 births, 609 deaths
Net migration
+222
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 Cass 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
Van Buren CountyMichigan24 mi76,071
St. Joseph CountyMichigan23 mi60,968
Berrien CountyMichigan21 mi152,444
Elkhart CountyIndiana14 mi208,774
St. Joseph CountyIndiana8.4 mi272,861
Kalamazoo CountyMichigana single point263,795

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.