File:OlmstedGovtCenter.JPG · Wikimedia Commons · See Wikimedia Commons
Olmsted County
Sign in to saveAlso known as Olmsted County, Minnesota, Olmsted County, MN
county in Minnesota, United States
Key facts
- Country
- United States
- State
- Minnesota
- Founded
- February 20, 1855 (created), August 27, 1855 (organized)
- Named after
- David Olmsted
- Seat
- Rochester
- Largest city
- Rochester
- Body
- Board of Commissioners
- Chair
- Dave Senjem
- Total
- 654.754 sq mi (1,695.81 km )
- Land
- 653.509 sq mi (1,692.58 km )
- Water
- 1.245 sq mi (3.22 km ) 0.19%
- Estimate 2025
- 166,731
- Density
- 249.189/sq mi (96.2123/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Area code
- 507 and 924
- Congressional district
- 1st
- Website
- olmstedcounty.gov
via Wikipedia infobox
Wikidata facts
- Country
- United States
- Located in
- Minnesota
- Capital
- Rochester
- Population
- 162847
- Area
- 1695
- Shares border with
- Goodhue County
- Official website
- www.co.olmsted.mn.us
- Image
- OlmstedGovtCenter.JPG
- Households
- 63561
Show 8 more facts
- native label
- Olmsted County
- Commons category
- Olmsted County, Minnesota
- topic's main category
- Category:Olmsted County, Minnesota
- water as percent of area
- 0.2
- inception
- 1855-02-20
- category for people born here
- Category:Births in Olmsted County, Minnesota
- category of associated people
- Category:People from Olmsted County, Minnesota
- per capita income
- 42470
Sources (9)
via Wikidata · CC0
~12 min read
Encyclopedic overview
Olmsted County is a county located in the U.S. state of Minnesota. As of the 2020 census, the population is 162,847, and was estimated to be 166,731 in 2025, making it the seventh-most populous county in Minnesota. The county seat and the largest city is Rochester.
Olmsted County is part of the Rochester metropolitan area.
Excerpted from Wikipedia’s “Olmsted County” article, available under the CC BY-SA 4.0 licence.