Osceola County, Michigan
County seat: Reed City · Population 23,516 (2025) · 566 sq mi
Osceola County is the 61st most populous of Michigan's 83 counties, with 23,516 people (2025 estimate). Its county seat is Reed City. It is part of the West (Region 4) region, one of the 10 Michigan prosperity regions. The map shows its 6 cities and towns and the 7 neighboring counties.
Osceola County facts
- County seat
- Reed City
- Population (2025 estimate)
- 23,516 +2.8% since 2020
- Land area
- 566 sq mi 45th largest of 83
- Water area
- 7 sq mi
- Population density
- 42 per sq mi
- Established
- 1840
- Same name
- One of 3 Osceola Counties in the US
- Named after
- Osceola Billy Powell, leader of the Seminole in Florida (1804-1838)
- Largest city
- Reed City 2,528
- Median household income
- $58,267
- Cities and towns
- 6
- ZIP codes
- 9
- Time zone
- Eastern
- FIPS code
- 26133
Cities and towns in Osceola County
Osceola County has 6 incorporated cities, towns and villages. Populations count the people living inside Osceola County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Reed City (county seat) | City | 2,528 | |
| Evart | City | 1,789 | |
| Marion | Village | 802 | |
| Hersey | Village | 362 | |
| Le Roy | Village | 252 | |
| Tustin | Village | 249 |
ZIP codes in Osceola County
9 ZIP codes reach into Osceola County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 48632 also Clare, Isabella and Mecosta counties
- 49338 also Newaygo and Mecosta counties
- 49631 also Mecosta County
- 49639 also Mecosta County
- 49655 also Lake County
- 49665 also Clare and Missaukee counties
- 49677 also Lake and Newaygo counties
- 49679 also Mecosta County
- 49688 also Lake and Wexford counties
Population of Osceola County, 2020–2025
Osceola County grew by 631 people (+2.8%) between April 2020 and July 2025: 125 more deaths than births and a net gain of 762 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 22,906 |
| 2021 | 23,203 |
| 2022 | 23,262 |
| 2023 | 23,326 |
| 2024 | 23,571 |
| 2025 | 23,516 |
Neighboring counties
- Clare County east · 31,543 people
- Lake County west · 13,182 people
- Mecosta County south · 42,320 people
- Missaukee County northeast · 15,274 people
- Wexford County northwest · 34,445 people
- Isabella County southeast · 64,691 people
- Newaygo County southwest · 51,622 people
Printable Osceola 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) (132 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.