Dunn County, North Dakota
Located in North Dakota, Dunn County has a population of 4,040 residents and a median age of 40.4 years, making it the #2,960 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 7.4%. The median home value is $275,000, and the median household income is $97,689, which is 30% above the national median.
Demographics
Dunn County has a population of 4,040, making it the #2,960 most populous county in the US. The median age is 40.4 years, which is 3.9% 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 Dunn County is $97,689, ranking #187 out of 3,222 counties — 30.0% above the national median. The poverty rate is 7.4% and unemployment stands at 3.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Dunn County is $275,000 (-2.4% vs national). Renters pay a median of $922/mo and the homeownership rate is 74.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Dunn County, 25.2% of adults age 25+ hold a bachelor's degree or higher, which is 25.2% below the national average, ranking #1,199 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Dunn County is 77.2 years. 15.6% of adults report poor or fair health and 10.1% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.0% of adults in Dunn County smoke , 37.8% are obese , and 24.7% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 36.5 per 100,000.
Families & Children
15.3% of children in Dunn County live in poverty . The teen birth rate is 14.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Dunn County is 72.3%. The mean commute time is 28.2 min, which is 2.0% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Dunn County voted Republican with a margin of 69.2%. The vote was 14.9% Dem / 84.1% Rep. Compared to 2020, the margin shifted 0.4 toward Republicans .
Vote Share Over Time
About Dunn County, North Dakota
Dunn County, North Dakota has a total population of 4,040, making it the 2,960th most populous county in the United States. The median age in Dunn County is 40.4 years, which is 3.9% above the national median of 38.9 years.
The median household income in Dunn County is $97,689, which ranks #187 of 3,222 counties nationwide. This is 30.0% above the national median of $75,149. The poverty rate is 7.4%, lower than the national rate of 12.6%. The unemployment rate stands at 3.4%.
The median home value in Dunn County is $275,000, 2.4% below the national median. Renters in Dunn County pay a median gross rent of $922 per month. The homeownership rate is 74.3%, compared to the national rate of 64.4%.
In Dunn County, 25.2% of residents aged 25 and older hold a bachelor's degree or higher, 25.2% below the national average of 33.7%. Health insurance coverage stands at 85.2% of the population. The average commute time for workers is 28.2 min.
Dunn County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 78.5% of the population, followed by American Indian (non-Hispanic) (9.5%) and Two or More Races (5.7%).
All data for Dunn County, North Dakota 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.