County Maps US

Mitchell County, Iowa

A county in Iowa, ranked 68 of 99 by population.

CountyFIPS 19131

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

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Population
10,650
+59 (+0.6%) since 2020
Land area
469.3
square miles. A further 0.1% of the total area is water
Population density
22.7
people per square mile, computed rather than published
County seat
Osage
Seat of county government.
Established
1851
174 years ago
Largest city
Osage city
Population 3,552.

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 Mitchell 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 Mitchell County, Iowa 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 685 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 Mitchell County ranks

Position among the 99 counties of Iowa, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn IowaNationally
Population10,65068th of 992,367th of 3,144
Land area469.3 sq mi76th of 992,196th of 3,144
Population density22.7 per sq mi62nd of 992,136th of 3,144
Median household income$71,36547th of 991,096th of 3,143

Full data for Mitchell County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population10,650Vintage 2025 Population Estimates
Population in 202010,591Vintage 2025 Population Estimates
2020 estimates base?10,564Vintage 2025 Population Estimates
Land area469.3 sq mi2025 Gazetteer Files
Water area0.43 sq mi2025 Gazetteer Files
Total area469.7 sq mi2025 Gazetteer Files
Population density?22.7 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$71,365American Community Survey 2020-2024 5-Year Estimates
Median home value$175,100American Community Survey 2020-2024 5-Year Estimates
Median age41.9American Community Survey 2020-2024 5-Year Estimates
Households4,597American Community Survey 2020-2024 5-Year Estimates
Housing units4,950American 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
-28
108 births, 136 deaths
Net migration
+88
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 Mitchell 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
Floyd CountyIowa24 mi14,901
Mower CountyMinnesota24 mi40,971
Howard CountyIowa20 mi9,415
Worth CountyIowa17 mi7,338
Cerro Gordo CountyIowa2.9 mi42,372
Chickasaw CountyIowaa single point11,663

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

All 99 counties of Iowa

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

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