Mackinac County, Michigan

A county in Michigan, ranked 74 of 83 by population.

CountyFIPS 26097

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

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Population
11,236
+415 (+3.8%) since 2020
Land area
1,022
square miles. A further 51.4% of the total area is water
Population density
11.0
people per square mile, computed rather than published
County seat
St. Ignace
Seat of county government.
Established
1818
207 years ago
Largest city
St. Ignace city
Population 2,351.

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 Mackinac 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 Mackinac 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 394 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 Mackinac 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
Population11,23674th of 832,332nd of 3,144
Land area1,022 sq mi9th of 83650th of 3,144
Population density11.0 per sq mi76th of 832,531st of 3,144
Median household income$63,90940th of 831,717th of 3,143

Full data for Mackinac County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population11,236Vintage 2025 Population Estimates
Population in 202010,821Vintage 2025 Population Estimates
2020 estimates base?10,834Vintage 2025 Population Estimates
Land area1,022 sq mi2025 Gazetteer Files
Water area1,079 sq mi2025 Gazetteer Files
Total area2,101 sq mi2025 Gazetteer Files
Population density?11.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$63,909American Community Survey 2020-2024 5-Year Estimates
Median home value$174,500American Community Survey 2020-2024 5-Year Estimates
Median age53.0American Community Survey 2020-2024 5-Year Estimates
Households5,199American Community Survey 2020-2024 5-Year Estimates
Housing units10,597American 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
-75
74 births, 149 deaths
Net migration
+210
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 7 areas bordering Mackinac 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
Chippewa CountyMichigan86 mi36,081
Charlevoix CountyMichigan31 mi26,036
Luce CountyMichigan30 mi6,339
Schoolcraft CountyMichigan29 mi8,187
Cheboygan CountyMichigan29 mi25,793
Emmet CountyMichigan25 mi33,775
Presque Isle CountyMichigan4.2 mi13,128

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.