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
The poverty rate is what most separates Dunn County from the typical county: 3.6% of residents live below the federal poverty line, against 12.4% nationally. With 4,043 residents, Dunn County is a county in North Dakota. It ranks #26 among counties in North Dakota by population.
Households here are among the highest-earning of all US counties: median income is $94,688, above the US median of $78,538. Poverty is among the lowest of comparable US counties, at 3.6% — below the national 12.4%. A typical home is worth $244,000, with typical rent around $941.
20.6% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is on the higher side at 14.4%, close to the national 14.0%, and the average commute runs about 26 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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Full rankings of North Dakota counties
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.