Olmsted County Flag

Olmsted County

State:
Minnesota
County Seat:
Rochester

Olmsted County's estimated 2026 population is 169,034 with a growth rate of 0.78% in the past year according to the most recent United States census data. Olmsted County is the 7th largest county in Minnesota. The 2010 population was 144,535 and has seen a growth of 16.95% since that time.

169,034
Total Population
258
Population Density (mi²)
7
Population Rank (State)
1.3K 0.78%
Annual Population Growth

Olmsted County Population

Demographics

Economics and Income Statistics