County Maps US

Iron County, Michigan

A county in Michigan, ranked 73 of 83 by population.

CountyFIPS 26071

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

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Population
11,757
+127 (+1.1%) since 2020
Land area
1,166
square miles. A further 3.7% of the total area is water
Population density
10.1
people per square mile, computed rather than published
County seat
Crystal Falls
Seat of county government.
Established
1885
140 years ago
Largest city
Iron River city
Population 3,027.

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 Iron 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 Iron 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 675 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 Iron 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
Population11,75773rd of 832,301st of 3,144
Land area1,166 sq mi6th of 83528th of 3,144
Population density10.1 per sq mi77th of 832,560th of 3,144
Median household income$55,94067th of 832,408th of 3,143

Full data for Iron County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population11,757Vintage 2025 Population Estimates
Population in 202011,630Vintage 2025 Population Estimates
2020 estimates base?11,627Vintage 2025 Population Estimates
Land area1,166 sq mi2025 Gazetteer Files
Water area45.1 sq mi2025 Gazetteer Files
Total area1,211 sq mi2025 Gazetteer Files
Population density?10.1 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$55,940American Community Survey 2020-2024 5-Year Estimates
Median home value$109,100American Community Survey 2020-2024 5-Year Estimates
Median age53.1American Community Survey 2020-2024 5-Year Estimates
Households5,547American Community Survey 2020-2024 5-Year Estimates
Housing units9,156American 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
-98
79 births, 177 deaths
Net migration
+84
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 9 areas bordering Iron 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
Florence CountyWisconsin43 mi4,748
Baraga CountyMichigan27 mi8,169
Dickinson CountyMichigan22 mi25,827
Forest CountyWisconsin19 mi9,574
Gogebic CountyMichigan16 mi14,285
Houghton CountyMichigan15 mi37,842
Marquette CountyMichigan12 mi68,064
Ontonagon CountyMichigan6.0 mi5,823
Vilas CountyWisconsin3.2 mi23,761

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.