Roscommon County, Michigan
County seat: Roscommon · Population 23,914 (2025) · 520 sq mi
Roscommon County is the 60th most populous of Michigan's 83 counties, with 23,914 people (2025 estimate). Its county seat is Roscommon. It is part of the Northeast (Region 3) region, one of the 10 Michigan prosperity regions. The map shows its 1 city or town and the 7 neighboring counties.

Roscommon County facts
- County seat
- Roscommon
- Population (2025 estimate)
- 23,914 +2% since 2020
- Land area
- 520 sq mi 66th largest of 83
- Water area
- 60 sq mi
- Population density
- 46 per sq mi
- Established
- 1840
- Named after
- County Roscommon county in Ireland
- Largest city
- Houghton Lake 5,769
- Median household income
- $55,246
- Cities and towns
- 1 plus 3 CDPs
- ZIP codes
- 7
- Time zone
- Eastern
- FIPS code
- 26143
Cities and towns in Roscommon County
Roscommon County has 1 incorporated place. Populations count the people living inside Roscommon County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Roscommon (county seat) | Village | 992 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Houghton Lake | 5,769 | |
| St. Helen | 2,929 | |
| Prudenville | 1,350 |
ZIP codes in Roscommon County
7 ZIP codes reach into Roscommon County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 48624 also Gladwin, Clare and Ogemaw counties
- 48627
- 48629 also Missaukee County
- 48630
- 48651
- 48653 also Crawford County
- 48656
Population of Roscommon County, 2020–2025
Roscommon County grew by 457 people (+2%) between April 2020 and July 2025: 1,498 more deaths than births and a net gain of 1,971 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 23,476 |
| 2021 | 23,674 |
| 2022 | 23,730 |
| 2023 | 23,940 |
| 2024 | 23,951 |
| 2025 | 23,914 |
Neighboring counties
- Missaukee County west · 15,274 people
- Ogemaw County east · 21,121 people
- Crawford County north · 13,722 people
- Clare County southwest · 31,543 people
- Gladwin County southeast · 26,077 people
- Kalkaska County northwest · 18,693 people
- Oscoda County northeast · 8,723 people
Printable Roscommon 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) (134 KB)
- PNG (2400 px) (65 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.
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