County Maps US

Dickinson County, Michigan

A county in Michigan, ranked 55 of 83 by population.

CountyFIPS 26043

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

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Population
25,827
-69 (-0.3%) since 2020
Land area
761
square miles. A further 2.0% of the total area is water
Population density
33.9
people per square mile, computed rather than published
County seat
Iron Mountain
Seat of county government.
Established
1891
134 years ago
Largest city
Iron Mountain city
Population 7,469.

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 Dickinson 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 Dickinson 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 578 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 Dickinson 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
Population25,82755th of 831,592nd of 3,144
Land area761 sq mi22nd of 831,148th of 3,144
Population density33.9 per sq mi63rd of 831,818th of 3,144
Median household income$65,15636th of 831,619th of 3,143

Full data for Dickinson County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population25,827Vintage 2025 Population Estimates
Population in 202025,896Vintage 2025 Population Estimates
2020 estimates base?25,945Vintage 2025 Population Estimates
Land area761 sq mi2025 Gazetteer Files
Water area15.6 sq mi2025 Gazetteer Files
Total area776.6 sq mi2025 Gazetteer Files
Population density?33.9 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$65,156American Community Survey 2020-2024 5-Year Estimates
Median home value$153,300American Community Survey 2020-2024 5-Year Estimates
Median age46.9American Community Survey 2020-2024 5-Year Estimates
Households11,905American Community Survey 2020-2024 5-Year Estimates
Housing units13,951American 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
-151
203 births, 354 deaths
Net migration
+59
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 Dickinson 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
Marquette CountyMichigan42 mi68,064
Menominee CountyMichigan29 mi22,941
Iron CountyMichigan22 mi11,757
Florence CountyWisconsin16 mi4,748
Marinette CountyWisconsin16 mi42,574

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.