COUNTY · MN
Olmsted County, Minnesota
Olmsted County is a county in Minnesota with FIPS code 27109 and an estimated population of 164,784 (Census 2023), 7th largest of 87 in the state.
County facts
- Name
- Olmsted County
- State
- Minnesota
- Type
- county
- FIPS code
- 27109
- State FIPS
- 27
- Population (2023)
- 164,784
- Change since 2020
- +1.1%
- State rank
- 7 of 87
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Olmsted County?
Olmsted County, Minnesota has the five-digit FIPS code 27109: 27 for the state and 109 for the county.
What state is Olmsted County in?
Olmsted County is in Minnesota.
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.