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Traill County, ND
10 cities and towns and 9 ZIP codes in Traill County, North Dakota.
Population
7,970
Land area
862sq mi
People per sq mi
9
ZIP codes
9
Cities and towns in Traill County
Traill County at a glance
- Households here earn a median of $87,004 a year, 13% more than the North Dakota figure of $76,657.
- A typical owner-occupied home is valued at $200,700 (20% below North Dakota) and median rent is $717 a month.
- The biggest population centers are Mayville (1,976), Hillsboro (1,704) and Hatton (608).
Local data for Traill County, ND
Counts from official public data
Housing and community stats
Traill County, ND, American Community Survey 2020-2024
Median household income
$87,004
Poverty rate
9.1%
Median home value
$200,700
Prices +7.7% in a year
Median rent
$717/mo
Homeownership
74.3%
Bachelor's or higher
30.9%
Median age
40.4
Average commute
19.9 min
Largest reported origins and ancestries: Norwegian Americans (2,895), German Americans (1,990), Irish Americans (483).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
2.0%
Sep 2026, -0.1 pts in a year
Average annual pay
$62,734
3,556 jobs, 2025
Income per person
$71,172
BEA, 2024
Federal spending
$97M
FY 2026, $12,128 per person
PPP loans
$24.3M
639 loans, 2,735 jobs reported
Campaign donations
$202K
Itemized, 2026 cycle
How people get to work
Traill County, ND, workers 16 and older. American Community Survey 5-year estimates
- Drove alone81.0%
- Carpooled8.6%
- Public transit0.0%
- Walked4.3%
- Bicycle0.2%
- Taxi, ride-hailing, motorcycle or other0.4%
- Worked from home5.5%
Average one-way commute: 19.9 minutes for people who do not work from home.
Environment and hazard risk
Traill County, ND, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: hail
Storm events since 1996
654
Most often thunderstorm wind
Flood insurance policies
26
0.8% of homes, county
July high / Jan low
81° / 1°F
22.3 inches of rain a year
Hazards, floods and storm historyCheck a flood zone19 historic places
Health statistics
Share of adults in Traill County, ND, CDC PLACES estimates
Obesity
38.2%
U.S. 33.3% +4.9 pts
Diabetes
10.5%
U.S. 12.1% -1.6 pts
Smoking
12.3%
U.S. 12.8% -0.5 pts
Uninsured (18-64)
6.8%
U.S. 11.1% -4.3 pts
Cities, towns and ZIP codes in Traill County
Population shown
Frequently asked questions
- What is the largest city in Traill County, ND?
- Mayville is the largest city or town in Traill County, with about 1,976 residents.
- How many ZIP codes are in Traill County?
- Traill County includes 9 ZIP Code Tabulation Areas, including 58009, 58016, 58035, 58038, 58045.
- What is the population of Traill County, ND?
- About 7,970 people live in Traill County, based on American Community Survey 5-year estimates.
- What counties border Traill County?
- Traill County borders Cass County, Grand Forks County, Polk County, MN, Norman County, MN, Steele County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023