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Olmsted County, MN
8 cities and towns and 13 ZIP codes in Olmsted County, Minnesota.
Population
164,498
Land area
654sq mi
People per sq mi
252
ZIP codes
13
Cities and towns in Olmsted County
Olmsted County at a glance
- Olmsted County is about 3.5 times as dense as Minnesota as a whole.
- It is the 7th most populous of 87 counties in Minnesota.
- Households here earn a median of $95,406 a year, 7% more than the Minnesota figure of $89,062.
- A typical owner-occupied home is valued at $331,700 and median rent is $1,370 a month.
- The biggest population centers are Rochester (122,330), Stewartville (6,807) and Byron (6,646).
Local data for Olmsted County, MN
Counts from official public data
- Hospitals3
- Emergency Rooms2
- Nursing Homes8
- Schools79
- Colleges4
- Libraries2
- Banks44
- Post Offices6
- Parks113
- Grocery Stores51
- Restaurants419
- Affordable Housing20
- Home Health Agencies5
- Hospice Care4
- Dialysis Centers4
- Rehab & Long-Term Care Hospitals1
- Community Health Centers2
- Mental Health & Addiction Treatment21
- Private Schools12
- Community Colleges & Trade Schools2
- Superfund Sites1
- Toxic Release Facilities8
- Historic Places20
Housing and community stats
Olmsted County, MN, American Community Survey 2020-2024
Median household income
$95,406
Poverty rate
7.5%
Median home value
$331,700
Prices +2.5% in a year
Median rent
$1,370/mo
Homeownership
70.6%
Bachelor's or higher
49.4%
Median age
37.8
Average commute
18.7 min
Largest reported origins and ancestries: German Americans (50,093), Norwegian Americans (19,181), Irish Americans (16,304).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.8%
Aug 2026, +0.7 pts in a year
Average annual pay
$83,402
105,239 jobs, 2025
Income per person
$74,873
BEA, 2024
Federal spending
$1.29B
FY 2026, $7,952 per person
PPP loans
$368M
5,448 loans, 43,658 jobs reported
Campaign donations
$1.43M
Itemized, 2026 cycle
How people get to work
Olmsted County, MN, workers 16 and older. American Community Survey 5-year estimates
- Drove alone66.9%
- Carpooled9.3%
- Public transit2.9%
- Walked3.7%
- Bicycle0.6%
- Taxi, ride-hailing, motorcycle or other1.2%
- Worked from home15.4%
Average one-way commute: 18.7 minutes for people who do not work from home.
Environment and hazard risk
Olmsted County, MN, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: cold wave
Storm events since 1996
882
Most often hail
Flood insurance policies
154
0.3% of homes, county
July high / Jan low
80° / 7°F
34.7 inches of rain a year
Hazards, floods and storm historyCheck a flood zone20 historic places
Health statistics
Share of adults in Olmsted County, MN, CDC PLACES estimates
Obesity
36.4%
U.S. 33.3% +3.1 pts
Diabetes
9.5%
U.S. 12.1% -2.6 pts
Smoking
11.2%
U.S. 12.8% -1.6 pts
Uninsured (18-64)
6.7%
U.S. 11.1% -4.4 pts
Cities, towns and ZIP codes in Olmsted County
Population shown
Frequently asked questions
- What is the largest city in Olmsted County, MN?
- Rochester is the largest city or town in Olmsted County, with about 122,330 residents.
- How many ZIP codes are in Olmsted County?
- Olmsted County includes 13 ZIP Code Tabulation Areas, including 55901, 55902, 55903, 55904, 55905.
- What is the population of Olmsted County, MN?
- About 164,498 people live in Olmsted County, based on American Community Survey 5-year estimates.
- What counties border Olmsted County?
- Olmsted County borders Winona County, Goodhue County, Mower County, Wabasha County, Fillmore County, Dodge County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023