Olmsted County, Minnesota Demographics 2026

Name: Olmsted County, Minnesota Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Olmsted County, Minnesota has a population of 164,498, the 7th most populous county in Minnesota. The median household income is $95,406 and the median home value is $331,700. The poverty rate is 7.5%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Olmsted County Quick Facts

Population 164,498

Median Household Income $95,406

Median Home Value $331,700

Poverty Rate 7.5%

Unemployment Rate 3.6%

Median Age 37.8 years

Homeownership Rate 70.6%

Affordability Ratio 3.5x

Bachelor's Degree+ 49.4%

High School Graduation 95.1%

Cities/Places 10

Population 164,498 7th of 87

Median Income $95,406 7% higher than state

Poverty Rate 7.5%

Unemployment 3.6%

How Olmsted County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	163,425	164,498	+0.7%
Median household income	$93,494	$95,406	+2.0%
Median home value	$304,500	$331,700	+8.9%

Median Household Income

Olmsted

$95,406

$89,062

National

$80,734

Median Home Value

Olmsted

$331,700

$329,300

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 9.8%

$25K-$50K 13.2%

$50K-$100K 28.7%

$100K+ 48.3%

Detailed income brackets

Under $10K

3.0%

$10K-$15K

1.9%

$15K-$20K

2.4%

$20K-$25K

2.4%

$25K-$30K

2.4%

$30K-$35K

2.6%

$35K-$40K

2.5%

$40K-$45K

2.6%

$45K-$50K

3.0%

$50K-$60K

6.2%

$60K-$75K

9.7%

$75K-$100K

12.8%

$100K-$125K

11.1%

$125K-$150K

9.0%

$150K-$200K

11.5%

$200K+

16.7%

Employment

3.6% Unemployment Rate State: 4.1%|National: 5.2%

69.8% Labor Force Participation

Housing Overview

Owner 70.6%

Renter 29.4%

Affordability Index Affordable

3.5x home value to income ratio

Median gross rent $1,370/mo 17.2% of median household income annually

People & Demographics

Age Distribution

Under 18

23.9%

18-34

22.2%

35-54

25.1%

55-74

21.5%

75+

7.3%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 41 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Olmsted County

City	Population	Median Income	Poverty	Home Value
Rochester	122,330	$89,389	8.5%	$310,500
Stewartville	6,807	$82,632	4.8%	$265,300
Byron	6,646	$124,010	4.2%	$345,300
Pine Island	3,580	$104,432	4.0%	$350,500
Chatfield	2,559	$96,078	5.3%	$241,600
Eyota	1,944	$82,930	9.1%	$278,200
Oronoco	1,679	$157,500	2.9%	$505,000
Dover	895	$116,250	3.8%	$305,200
Marion	314	N/A	12.7%	$248,800
High Forest	124	$128,750	0.0%	$314,300

Explore Minnesota Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Olmsted County is located in Minnesota with a total population of 164,498. It is the 7th most populous county out of 87 in Minnesota. The county encompasses 10 Census-designated places.

Age Demographics

The median age in Olmsted County is 37.8 years. This is 3% lower than the state median of 38.8 years.

Economy, Income & Housing

The median household income in Olmsted County is $95,406. This is 7% higher than the state median of $89,062. It is also 18% higher than the national median of $80,734. The poverty rate stands at 7.5%. This is 19% lower than the state poverty rate of 9.3%. The unemployment rate is 3.6%. This is 12% lower than the state rate of 4.1%. The median home value is $331,700. Housing costs are about the same as the state median of $329,300. The home-value-to-income ratio is 3.5x. 70.6% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 72.2%.

Race & Ethnicity

The largest racial or ethnic group in Olmsted County is White (non-Hispanic), making up 75.3% of the population. Black or African American residents account for 7.5%.

Education

49.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Olmsted County in the top 10% of all counties in the state for educational attainment. This is 25% higher than the state rate of 39.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.1%. Notably, 21.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Olmsted County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Minnesota and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Olmsted County, Minnesota?

Olmsted County has a population of 164,498, making it the 7th most populous county in Minnesota.

What is the median income in Olmsted County?

The median household income in Olmsted County is $95,406 with a poverty rate of 7.5%.

How many cities are in Olmsted County, Minnesota?

Olmsted County contains 10 Census-designated places.