Martin County, Minnesota
Located in Minnesota, Martin County has a population of 19,780 residents and a median age of 43.9 years, making it the #1,899 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 13.1%. The median home value is $163,500, and the median household income is $59,507, which is 21% below the national median.
Demographics
Martin County has a population of 19,780, making it the #1,899 most populous county in the US. The median age is 43.9 years, which is 12.9% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Martin County is $59,507, ranking #2,123 out of 3,222 counties — 20.8% below the national median. The poverty rate is 13.1% and unemployment stands at 4.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Martin County is $163,500 (-42.0% vs national). Renters pay a median of $761/mo and the homeownership rate is 68.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Martin County, 23.8% of adults age 25+ hold a bachelor's degree or higher, which is 29.5% below the national average, ranking #1,399 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Martin County is 79.2 years. 14.8% of adults report poor or fair health and 5.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.3% of adults in Martin County smoke , 38.0% are obese , and 23.9% report excessive drinking. The drug overdose death rate is 20.3 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 13.8 per 100,000. Motor vehicle deaths occur at a rate of 9.4 per 100,000.
Suicide Rate Trend
Families & Children
15.1% of children in Martin County live in poverty . The teen birth rate is 17.7 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Martin County is 71.5%. The mean commute time is 18.7 min, which is 32.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Martin County voted Republican with a margin of 39.6%. The vote was 29.5% Dem / 69.1% Rep. Compared to 2020, the margin shifted 1.7 toward Republicans .
Vote Share Over Time
About Martin County, Minnesota
Martin County, Minnesota has a total population of 19,780, making it the 1,899th most populous county in the United States. The median age in Martin County is 43.9 years, which is 12.9% above the national median of 38.9 years.
The median household income in Martin County is $59,507, which ranks #2,123 of 3,222 counties nationwide. This is 20.8% below the national median of $75,149. The poverty rate is 13.1%, higher than the national rate of 12.6%. The unemployment rate stands at 4.2%.
The median home value in Martin County is $163,500, 42.0% below the national median. Renters in Martin County pay a median gross rent of $761 per month. The homeownership rate is 68.9%, compared to the national rate of 64.4%.
In Martin County, 23.8% of residents aged 25 and older hold a bachelor's degree or higher, 29.5% below the national average of 33.7%. Health insurance coverage stands at 95.9% of the population. The average commute time for workers is 18.7 min.
Martin County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 88.2% of the population, followed by Hispanic or Latino (7.2%) and Two or More Races (2.1%).
All data for Martin County, Minnesota comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.