County Maps US

Oscoda County, Michigan

A county in Michigan, ranked 77 of 83 by population.

CountyFIPS 26135

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

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Population
8,723
+493 (+6.0%) since 2020
Land area
565.7
square miles. A further 1.0% of the total area is water
Population density
15.4
people per square mile, computed rather than published
County seat
Mio
Seat of county government.
Established
1840
185 years ago
Largest city
Not available
No incorporated place lies within this county.

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 Oscoda 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 Oscoda 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 791 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 Oscoda 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
Population8,72377th of 832,513th of 3,144
Land area565.7 sq mi46th of 831,812th of 3,144
Population density15.4 per sq mi74th of 832,385th of 3,144
Median household income$49,51582nd of 832,794th of 3,143

Full data for Oscoda County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population8,723Vintage 2025 Population Estimates
Population in 20208,230Vintage 2025 Population Estimates
2020 estimates base?8,219Vintage 2025 Population Estimates
Land area565.7 sq mi2025 Gazetteer Files
Water area5.8 sq mi2025 Gazetteer Files
Total area571.5 sq mi2025 Gazetteer Files
Population density?15.4 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$49,515American Community Survey 2020-2024 5-Year Estimates
Median home value$125,500American Community Survey 2020-2024 5-Year Estimates
Median age52.5American Community Survey 2020-2024 5-Year Estimates
Households3,788American Community Survey 2020-2024 5-Year Estimates
Housing units7,719American 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
-41
102 births, 143 deaths
Net migration
+136
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 Oscoda 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
Crawford CountyMichigan24 mi13,722
Alcona CountyMichigan24 mi10,556
Ogemaw CountyMichigan24 mi21,121
Montmorency CountyMichigan24 mi9,842
Alpena CountyMichigan66 ft28,853
Iosco CountyMichigana single point25,266
Otsego CountyMichigana single point26,080
Roscommon CountyMichigana single point23,914

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.