Dunn County, North Dakota Demographics 2026
Dunn County, North Dakota has a population of 4,040, the 26th most populous county in North Dakota. The median household income is $97,689 and the median home value is $275,000. The poverty rate is 7.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Dunn County Quick Facts
How Dunn 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 | 4,043 | 4,040 | -0.1% |
| Median household income | $94,688 | $97,689 | +3.2% |
| Median home value | $244,000 | $275,000 | +12.7% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 32 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Dunn County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Killdeer | 985 | $89,750 | 9.4% | $341,100 |
| Halliday | 389 | $51,154 | 17.2% | $116,000 |
| Dunn Center | 329 | $93,750 | 8.8% | $178,500 |
| Dodge | 109 | N/A | 21.1% | $132,500 |
| Manning | 43 | $190,893 | 0.0% | N/A |
Explore North Dakota Rankings
Population Overview
Dunn County is located in North Dakota with a total population of 4,040. It is the 26th most populous county out of 53 in North Dakota. The county encompasses 5 Census-designated places.
Age Demographics
The median age in Dunn County is 40.4 years. This is 13% higher than the state median of 35.9 years.
Economy, Income & Housing
The median household income in Dunn County is $97,689. This is 27% higher than the state median of $76,657. It is also 21% higher than the national median of $80,734. The poverty rate stands at 7.4%. This is 32% lower than the state poverty rate of 10.8%. The unemployment rate is 3.4%. This is 24% higher than the state rate of 2.8%. The median home value is $275,000. Housing costs are 10% higher than the state median of $249,900. With a home-value-to-income ratio of just 2.8x, Dunn County is one of the most affordable housing markets in the area. 74.4% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 62.8%.
Race & Ethnicity
The largest racial or ethnic group in Dunn County is White (non-Hispanic), making up 78.5% of the population. Hispanic or Latino residents account for 4.5%. The Black or African American population (0.1%) is well below the state average of 3.3%.
Education
25.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 23% lower than the state rate of 32.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.8%.
Data Sources & Methodology
All figures for Dunn County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against North Dakota 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 Dunn County, North Dakota?
Dunn County has a population of 4,040, making it the 26th most populous county in North Dakota.
What is the median income in Dunn County?
The median household income in Dunn County is $97,689 with a poverty rate of 7.4%.
How many cities are in Dunn County, North Dakota?
Dunn County contains 5 Census-designated places.