Olmsted County, Minnesota
Olmsted County is a county in Minnesota. Its county FIPS code is 27109. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 27109
- Representative coordinates
- 43.999688, -92.410155
- County type
- County
- County seat or government
- Rochester
- Resident population, July 2025
- 166,731
- Land area
- 1,692.581 km²
- Water area
- 3.226 km²
- State
- Minnesota
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Olmsted County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
55901 · 55902 · 55903 · 55904 · 55905 · 55906 · 55910 · 55920 · 55923 · 55929 · 55932 · 55934 · 55940 · 55944 · 55955 · 55956 · 55960 · 55963 · 55964 · 55972 · 55976 · 55991
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Olmsted County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.