COUNTY · MI
Otsego County, Michigan
Otsego County is a county in Michigan with FIPS code 26137 and an estimated population of 25,747 (Census 2023), 56th largest of 83 in the state.
County facts
- Name
- Otsego County
- State
- Michigan
- Type
- county
- FIPS code
- 26137
- State FIPS
- 26
- Population (2023)
- 25,747
- Change since 2020
- +2.4%
- State rank
- 56 of 83
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Otsego County?
Otsego County, Michigan has the five-digit FIPS code 26137: 26 for the state and 137 for the county.
What state is Otsego County in?
Otsego County is in Michigan.
How do I know if an address is in this county?
Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.