Dunn County, North Dakota Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 26th-largest in North Dakota
The population of Dunn County, North Dakota is 4,043 as of the 2023 American Community Survey, making it the 26th-largest county in North Dakota. The median household income is $94,688, the median home value is $244,000, and the median age is 40.8.
The population of Dunn County has grown 14.0% since 2010 (3,536 → 4,031), a +0.94% annualized rate.
4,043
Population
+0.94%
Annual growth
2
People / sq mi
$94,688
Median Income
$244,000
Median Home Value
Dunn County covers 2,008 sq mi of land at 2.0 people per square mile.
About Dunn County, ND
Dunn County is a county in North Dakota with a population of 4,043. It ranks #26 among counties in North Dakota by population. The median age is 40.8, older than the national median. The population is 54.8% male and 45.2% female.
The median household income in Dunn County is $94,688, above the US median of $74,580. 3.6% of residents live below the federal poverty level. Home values sit at a median of $244,000, with monthly rent averaging $941. The homeownership rate of 71.8% is higher than the national rate of 64.8%.
Educational attainment in Dunn County reflects 20.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 14.4% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 26.2 minutes each way.
Dunn County Population History (2010-2024)
The county of Dunn County had a population of 3,536 in 2010 and 4,031 in 2024, a 14.0% growth over 14 years. The peak was 4,576 in 2015. Average annual growth rate: 1.02%.
4,031
Population (2024)
3,536
Population (2010)
4,576
Peak (2015)
1.02%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 3,536 |
| 2011 | 3,723 |
| 2012 | 3,957 |
| 2013 | 4,139 |
| 2014 | 4,372 |
| 2015 | 4,576 |
| 2016 | 4,364 |
| 2017 | 4,268 |
| 2018 | 4,302 |
| 2019 | 4,412 |
| 2020 | 4,098 |
| 2021 | 4,014 |
| 2022 | 4,005 |
| 2023 | 4,051 |
| 2024 | 4,031 |
Race & Ethnicity
| White | 82.1% |
| Black or African American | 0.6% |
| Asian | 1.0% |
| Hispanic or Latino (any race) | 11.1% |
| Two or More Races | 0.0% |
Age & Sex
40.8
Median Age
45.2%
Female
54.8%
Male
18.6%
Age 65+
Age Distribution
Children (under 15): 22.0% · Seniors (65+): 18.6%
Income & Poverty
| Median household income | $94,688+$18,739 vs state |
| Mean household income | $131,547 |
| Per-capita income | $51,754 |
| Poverty rate | 3.6%-2.6% vs state |
| Unemployment rate | 1.6% |
| Employment-to-population | 61.4% |
Top Industries by Employment
The largest employment sector in Dunn County is agriculture, accounting for 21.1% of workers.
How residents commute
0.1%
Drive alone
3.9%
Carpool
70.9%
Public transit
14.4%
Work from home
26.2 min
Avg commute
Housing
$244,000+$2,900 vs state
Median home value
$941
Median rent
71.8%
Homeownership rate
2,116
Total housing units
71.5%
Occupied
28.5%
Vacant
28.2%
Renter-occupied
Social & access
82.7%
With health insurance
94.8%
With broadband internet
35.5%
Foreign-born
9.3%
Veterans (18+)
13.1%
With a disability
89.9%
Speak language other than English at home
Education
92.7%
High School+
20.6%
Bachelor's+
Largest cities in North Dakota
Other counties in North Dakota
Part of North Dakota
Metro areas in North Dakota
County rankings
Frequently Asked Questions
Dunn County, North Dakota has a population of 4,043 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 26th-largest county in North Dakota. Population density is 2 people per square mile.
The population of Dunn County has grown 14.0% since 2010 (3,536 → 4,031), a +0.94% annualized rate.
The median household income in Dunn County, North Dakota is $94,688, with mean (average) household income of $131,547 and per-capita income of $51,754. 3.6% of residents live below the federal poverty level.
In Dunn County, the largest racial and ethnic groups are White (82.1%), Hispanic or Latino (11.1%), Asian (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Dunn County, North Dakota is 40.8 years. Residents are 45.2% female and 54.8% male.
The median home value in Dunn County is $244,000 and median monthly rent is $941. 71.8% of occupied housing units are owner-occupied. The county has 2,116 total housing units, 28.5% of which are vacant.
The largest employment sector in Dunn County, North Dakota is agriculture, forestry, fishing, and mining, employing 21.1% of workers. The unemployment rate is 1.6%.
Fargo is among the largest cities associated with Dunn County, North Dakota, with a population of 129,064.
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Statewide data for North Dakota
Population, race, income, age, and trends across North Dakota
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.