County Maps US

Cass County, Minnesota

A county in Minnesota, ranked 34 of 87 by population.

CountyFIPS 27021

Within Minnesota
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 Walker, the county seat, located via the 2025 Census Gazetteer.

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Population
31,430
+1,278 (+4.2%) since 2020
Land area
2,021
square miles. A further 16.3% of the total area is water
Population density
15.5
people per square mile, computed rather than published
County seat
Walker
Seat of county government.
Established
1851
174 years ago
Largest city
East Gull Lake city
Population 1,184.

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, Minnesota 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 497 by 800 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 87 counties of Minnesota, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn MinnesotaNationally
Population31,43034th of 871,410th of 3,144
Land area2,021 sq mi6th of 87282nd of 3,144
Population density15.5 per sq mi63rd of 872,378th of 3,144
Median household income$68,87474th of 871,276th 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
Population31,430Vintage 2025 Population Estimates
Population in 202030,152Vintage 2025 Population Estimates
2020 estimates base?30,077Vintage 2025 Population Estimates
Land area2,021 sq mi2025 Gazetteer Files
Water area392.5 sq mi2025 Gazetteer Files
Total area2,414 sq mi2025 Gazetteer Files
Population density?15.5 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$68,874American Community Survey 2020-2024 5-Year Estimates
Median home value$288,300American Community Survey 2020-2024 5-Year Estimates
Median age49.9American Community Survey 2020-2024 5-Year Estimates
Households12,874American Community Survey 2020-2024 5-Year Estimates
Housing units24,470American 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
-153
264 births, 417 deaths
Net migration
+159
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 8 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
Itasca CountyMinnesota83 mi45,404
Crow Wing CountyMinnesota65 mi69,132
Hubbard CountyMinnesota49 mi22,369
Wadena CountyMinnesota34 mi14,388
Morrison CountyMinnesota22 mi34,620
Aitkin CountyMinnesota16 mi16,252
Beltrami CountyMinnesota14 mi47,055
Todd CountyMinnesota5.9 mi26,060

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

All 87 counties of Minnesota

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

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