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Dunn County, ND
5 cities and towns and 8 ZIP codes in Dunn County, North Dakota.
Population
4,040
Land area
2,008sq mi
People per sq mi
2
ZIP codes
8
Cities and towns in Dunn County
Dunn County at a glance
- Dunn County is 82% less dense than North Dakota as a whole.
- The median household income is $97,689, 27% above the North Dakota median of $76,657.
- A typical owner-occupied home is valued at $275,000 (10% above North Dakota) and median rent is $922 a month.
- Its largest cities are Killdeer (985), Halliday (389) and Dunn Center (329).
Local data for Dunn County, ND
Counts from official public data
Housing and community stats
Dunn County, ND, American Community Survey 2020-2024
Median household income
$97,689
Poverty rate
7.4%
Median home value
$275,000
Prices +25.5% in a year
Median rent
$922/mo
Homeownership
74.3%
Bachelor's or higher
25.2%
Median age
40.4
Average commute
27.6 min
Largest reported origins and ancestries: German Americans (1,258), Norwegian Americans (495), Irish Americans (255).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
2.8%
Aug 2026, +0.2 pts in a year
Average annual pay
$86,577
1,999 jobs, 2025
Income per person
$99,793
BEA, 2024
Federal spending
$87.28M
FY 2026, $21,314 per person
PPP loans
$41.98M
643 loans, 3,383 jobs reported
Campaign donations
$19.37K
Itemized, 2026 cycle
How people get to work
Dunn County, ND, workers 16 and older. American Community Survey 5-year estimates
- Drove alone66.3%
- Carpooled9.8%
- Public transit0.1%
- Walked4.0%
- Bicycle0.9%
- Taxi, ride-hailing, motorcycle or other1.9%
- Worked from home17.0%
Average one-way commute: 27.6 minutes for people who do not work from home.
Environment and hazard risk
Dunn County, ND, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: hail
Storm events since 1996
476
Most often hail
Flood insurance policies
18
0.6% of homes, county
July high / Jan low
83° / 4°F
18.1 inches of rain a year
Hazards, floods and storm historyCheck a flood zone2 historic places
Health statistics
Share of adults in Dunn County, ND, CDC PLACES estimates
Obesity
36.7%
U.S. 33.3% +3.4 pts
Diabetes
11.5%
U.S. 12.1% -0.6 pts
Smoking
14.8%
U.S. 12.8% +2.0 pts
Uninsured (18-64)
7.8%
U.S. 11.1% -3.3 pts
Cities, towns and ZIP codes in Dunn County
Population shown
Frequently asked questions
- What is the largest city in Dunn County, ND?
- Killdeer is the largest city or town in Dunn County, with about 985 residents.
- How many ZIP codes are in Dunn County?
- Dunn County includes 8 ZIP Code Tabulation Areas, including 58625, 58626, 58630, 58636, 58640.
- What is the population of Dunn County, ND?
- About 4,040 people live in Dunn County, based on American Community Survey 5-year estimates.
- What counties border Dunn County?
- Dunn County borders Stark County, McKenzie County, McLean County, Mountrail County, Mercer County, Billings County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023