County
· Minnesota
Olmsted County
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.
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Cities and towns 6
Townships 18
- Township of Cascade pop. 2,842
- Township of Dover pop. 385
- Township of Elmira pop. 355
- Township of Eyota pop. 494
- Township of Farmington pop. 399
- Township of Haverhill pop. 1,485
- Township of High Forest pop. 969
- Township of Kalmar pop. 1,127
- Township of Marion pop. 4,079
- Township of New Haven pop. 1,274
- Township of Orion pop. 556
- Township of Oronoco pop. 2,484
- Township of Pleasant Grove pop. 752
- Township of Quincy pop. 330
- Township of Rochester pop. 2,126
- Township of Rock Dell pop. 685
- Township of Salem pop. 1,092
- Township of Viola pop. 551
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 167373
- FIPS state
- 27
- FIPS county
- 109
- FIPS place
- 99109
- Census record name
- COUNTY OF OLMSTED
- Mailing address
- 151 4TH ST SE, ROCHESTER 55904