Oscoda County, Michigan
County seat: Mio · Population 8,723 (2025) · 566 sq mi
Oscoda County is the 77th most populous of Michigan's 83 counties, with 8,723 people (2025 estimate). Its county seat is Mio. It is part of the Northeast (Region 3) region, one of the 10 Michigan prosperity regions. The map shows its 0 cities and towns and the 8 neighboring counties.
Oscoda County facts
- County seat
- Mio
- Population (2025 estimate)
- 8,723 +6.1% since 2020
- Land area
- 566 sq mi 46th largest of 83
- Water area
- 6 sq mi
- Population density
- 15 per sq mi
- Established
- 1840
- Largest city
- Big Creek 2,739
- Median household income
- $49,515
- Cities and towns
- 0 plus 1 CDPs
- ZIP codes
- 8
- Time zone
- Eastern
- FIPS code
- 26135
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Mio | 1,474 |
ZIP codes in Oscoda County
8 ZIP codes reach into Oscoda County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 48619 also Montmorency County
- 48621
- 48636
- 48647 also Alcona County
- 48654 also Ogemaw County
- 48728 also Alcona County
- 48761 also Ogemaw, Alcona and Iosco counties
- 49756 also Montmorency, Crawford and Otsego counties
Population of Oscoda County, 2020–2025
Oscoda County grew by 504 people (+6.1%) between April 2020 and July 2025: 327 more deaths than births and a net gain of 829 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 8,230 |
| 2021 | 8,314 |
| 2022 | 8,389 |
| 2023 | 8,564 |
| 2024 | 8,629 |
| 2025 | 8,723 |
Neighboring counties
- Crawford County west · 13,722 people
- Alcona County east · 10,556 people
- Ogemaw County south · 21,121 people
- Montmorency County north · 9,842 people
- Alpena County northeast · 28,853 people
- Iosco County southeast · 25,266 people
- Otsego County northwest · 26,080 people
- Roscommon County southwest · 23,914 people
Printable Oscoda County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (129 KB)
- PNG (2400 px) (62 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
Back to the Michigan county map with all 83 counties. Found an error? Tell us.