Martin County, Minnesota Demographics 2026

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

Martin County, Minnesota has a population of 19,780, the 49th most populous county in Minnesota. The median household income is $59,507 and the median home value is $163,500. The poverty rate is 13.1%.

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

Martin County Quick Facts

Population 19,780

Median Household Income $59,507

Median Home Value $163,500

Poverty Rate 13.1%

Unemployment Rate 4.2%

Median Age 43.9 years

Homeownership Rate 68.9%

Affordability Ratio 2.7x

Bachelor's Degree+ 23.8%

High School Graduation 95.2%

Cities/Places 10

Population 19,780 49th of 87

Median Income $59,507 33% lower than state

Poverty Rate 13.1%

Unemployment 4.2%

How Martin 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	19,864	19,780	-0.4%
Median household income	$62,969	$59,507	-5.5%
Median home value	$158,800	$163,500	+3.0%

Median Household Income

Martin

$59,507

$89,062

National

$80,734

Median Home Value

Martin

$163,500

$329,300

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 17.5%

$25K-$50K 24.4%

$50K-$100K 29.7%

$100K+ 28.3%

Detailed income brackets

Under $10K

3.9%

$10K-$15K

5.9%

$15K-$20K

3.0%

$20K-$25K

4.7%

$25K-$30K

4.8%

$30K-$35K

6.1%

$35K-$40K

4.3%

$40K-$45K

4.0%

$45K-$50K

5.2%

$50K-$60K

8.5%

$60K-$75K

8.3%

$75K-$100K

13.0%

$100K-$125K

10.1%

$125K-$150K

6.7%

$150K-$200K

5.9%

$200K+

5.6%

Employment

4.2% Unemployment Rate State: 4.1%|National: 5.2%

62.9% Labor Force Participation

Housing Overview

Owner 68.9%

Renter 31.1%

Affordability Index Very Affordable

2.7x home value to income ratio

Median gross rent $761/mo 15.3% of median household income annually

People & Demographics

Age Distribution

Under 18

22.8%

18-34

17.3%

35-54

21.1%

55-74

28.2%

75+

10.6%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 41 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Martin County

City	Population	Median Income	Poverty	Home Value
Fairmont	10,296	$53,084	15.3%	$169,900
Truman	1,212	$61,188	10.9%	$106,400
Sherburn	1,015	$59,777	22.7%	$106,900
Welcome	978	$49,167	18.3%	$101,600
Trimont	546	$49,196	15.2%	$98,800
Ceylon	259	$40,208	15.2%	$43,500
Granada	243	$70,000	19.3%	$93,800
Northrop	240	$67,083	9.6%	$136,300
Dunnell	177	$31,786	1.1%	$51,300
Ormsby	136	$80,625	10.3%	$75,000

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

Martin County is located in Minnesota with a total population of 19,780. It is the 49th most populous county out of 87 in Minnesota. The county encompasses 10 Census-designated places.

Age Demographics

The median age in Martin County is 43.9 years. This is 13% higher than the state median of 38.8 years. 10.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Martin County is $59,507. This is 33% lower than the state median of $89,062. It is also 26% lower than the national median of $80,734. The poverty rate stands at 13.1%. This is 41% higher than the state poverty rate of 9.3%. The unemployment rate is 4.2%. This is 2% higher than the state rate of 4.1%. The median home value is $163,500. Housing costs are 50% lower than the state median of $329,300. With a home-value-to-income ratio of just 2.7x, Martin County is one of the most affordable housing markets in the area. 68.9% of occupied housing units are owner-occupied. This homeownership rate is 5% lower than the state average of 72.2%.

Race & Ethnicity

Martin County has a predominantly White (non-Hispanic) population, comprising 88.1% of all residents. Hispanic or Latino residents account for 7.2%. The Black or African American population (0.9%) is well below the state average of 7.0%. The Asian population (0.5%) is well below the state average of 5.1%.

Education

23.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 40% lower 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 95.2%.

Data Sources & Methodology

All figures for Martin 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 Martin County, Minnesota?

Martin County has a population of 19,780, making it the 49th most populous county in Minnesota.

What is the median income in Martin County?

The median household income in Martin County is $59,507 with a poverty rate of 13.1%.

How many cities are in Martin County, Minnesota?

Martin County contains 10 Census-designated places.