County · North Dakota
Traill County, North Dakota
Traill County, North Dakota. Traill County had 7,920 residents in 2025 by the Census Bureau's estimate, down 0.9% since 2020, while North Dakota grew 2.6%. It holds 36 places (9 cities, villages and boroughs, 25 towns and townships and 2 census-designated) and 4 census tracts. GEOID 38097.
Residents, July 2025 estimate
7,920
Census Bureau estimate (no margin published)
2020 Census count: 7,997 · ACS 2020-2024: 7,970
Median household income
$87,004
±$5,785 (90% margin)
North Dakota: $76,657
Median home value
$200,700
±$15,231 (90% margin)
North Dakota: $249,900
Median gross rent
$717
±$78 (90% margin)
North Dakota: $954
How many people live in Traill County, and is it growing?
The 2020 Census counted 7,997 residents in Traill County. The Census Bureau estimates 7,920 for July 1, 2025, down 0.9% since 2020, while North Dakota grew 2.6%. The 2020-2024 American Community Survey puts the population at 7,970 over 862 square miles of land.
| Measure | Traill County | North Dakota | Change since 2015-2019 |
|---|---|---|---|
| Total population | 7,970 | 784,841 | −38 |
| Households | 3,333±103 | 331,063 | no clear change |
| Average household size | 2.24±0.07 | 2.28 | no clear change |
| Housing units | 3,664±33 | 377,281 | −182 |
Traill County's population since 2000
From 8,477 in 2000 to 7,920 in 2025: down 6.6%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Traill County?
Traill County holds 36 places: 9 cities, villages and boroughs (incorporated places), 25 towns and townships (county subdivisions with their own government) and 2 census-designated places. The largest is Mayville with 1,807 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Mayville | 1,854 | $55,735 |
|---|---|---|
| Hillsboro | 1,649 | $81,483 |
| Hatton | 712 | $76,111 |
| Portland | 578 | $90,000 |
| Buxton | 348 | $96,250 |
| Reynolds | 277 | $93,750 |
| Viking Township, Traill CountyGEOID 3809782180 | 181 | $154,167 |
| Ervin TownshipGEOID 3809724740 | 173 | $93,750 |
| Norway TownshipGEOID 3809758540 | 161 | not published |
| Garfield TownshipGEOID 3809729300 | 157 | $129,583 |
| Bloomfield TownshipGEOID 3809707820 | 134 | $106,667 |
| GalesburgGEOID 3828980 | 118 | $145,500 |
| Wold TownshipGEOID 3809787100 | 115 | $106,250 |
| Caledonia TownshipGEOID 3809711540 | 114 | $81,164 |
| Hillsboro TownshipGEOID 3809738140 | 114 | not published |
| Mayville TownshipGEOID 3809751540 | 110 | $102,857 |
| Eldorado TownshipGEOID 3809722820 | 110 | $180,313 |
| Buxton TownshipGEOID 3809711380 | 107 | not published |
| Lindaas TownshipGEOID 3809746860 | 103 | $104,531 |
| Greenfield Township, Traill CountyGEOID 3809733340 | 97 | not published |
| Morgan TownshipGEOID 3809754380 | 93 | $16,658 |
| Stavanger TownshipGEOID 3809775700 | 93 | $164,000 |
| Belmont TownshipGEOID 3809705940 | 83 | not published |
| Roseville TownshipGEOID 3809768500 | 81 | not published |
| Kelso TownshipGEOID 3809741860 | 78 | $188,214 |
| Bingham TownshipGEOID 3809707060 | 78 | $44,464 |
| Bohnsack TownshipGEOID 3809708140 | 72 | not published |
| Blanchard TownshipGEOID 3809707660 | 67 | $108,814 |
| Galesburg TownshipGEOID 3809729020 | 66 | $121,653 |
| Norman TownshipGEOID 3809757540 | 60 | not published |
| Herberg TownshipGEOID 3809737460 | 56 | not published |
| CaledoniaGEOID 3811500 | 37 | not published |
| CliffordGEOID 3814740 | 30 | not published |
| Elm River TownshipGEOID 3809723740 | 24 | not published |
| BlanchardGEOID 3807620 | 16 | not published |
| GrandinGEOID 3832300 | 186 | $82,188 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Traill County?
The median resident of Traill County is 40.4 years old; 22.8% are under 18 and 20.3% are 65 or older. The largest group is non-Hispanic white residents at 89.3%, then Hispanic or Latino residents (of any race) at 4.0%. 2.8% of residents were born outside the United States.
| Measure | Traill County | North Dakota | Change since 2015-2019 |
|---|---|---|---|
| Median age | 40.4±0.6 | 35.9 | no clear change |
| Under 18 years | 22.8%±0.6 pts | 23.5% | – |
| 65 years and over | 20.3%±0.2 pts | 16.5% | – |
| Hispanic or Latino (any race) | 4.0% | 4.7% | +0.4 pts |
| White alone, not Hispanic | 89.3%±1.0 pts | 81.7% | −2.7 pts |
| Black or African American alone, not Hispanic | 1.0%±0.3 pts | 3.3% | no clear change |
| Asian alone, not Hispanic | 0.6%±0.3 pts | 1.6% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.8%±0.4 pts | 4.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 4.0%±1.1 pts | 4.0% | – |
| Some other race alone, not Hispanic | 0.5%±0.4 pts | 0.3% | – |
| Born outside the United States | 2.8%±1.1 pts | 4.7% | no clear change |
| Speak a language other than English at home (age 5+) | 3.4%±1.1 pts | 6.7% | – |
| Civilian veterans (age 18+) | 7.0%±1.1 pts | 7.1% | – |
| With a disability | 10.0%±1.3 pts | 12.0% | – |
| No health insurance coverage | 4.5%±1.2 pts | 6.5% | no clear change |
| High school graduate or higher (age 25+) | 94.5%±1.4 pts | 94.0% | – |
| Bachelor's degree or higher (age 25+) | 30.9%±2.5 pts | 32.7% | no clear change |
| Graduate or professional degree (age 25+) | 8.7%±1.6 pts | 9.7% | – |
| Moved from another state in the past year | 1.2%±0.7 pts | 4.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Traill County earn?
Half of Traill County's 3,333 households earn less than $87,004 a year (±$5,785), against $76,657 in North Dakota. In 2015-2019 the median was $79,322 in 2024 dollars, so it rose by $7,682 after inflation. 9.1% of residents live below the poverty line.
| Measure | Traill County | North Dakota | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $87,004±$5,785 | $76,657 | +$7,682 |
| Mean household income | $105,987±$5,652 | $101,793 | – |
| Per capita income | $43,618±$2,083 | $43,389 | no clear change |
| People below the poverty line | 9.1%±2.0 pts | 10.8% | +2.7 pts |
| Children under 18 below the poverty line | 6.0%±3.2 pts | 11.1% | – |
| Households receiving SNAP | 4.4%±1.2 pts | 6.6% | – |
| Households with a broadband subscription | 84.2%±3.1 pts | 88.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Traill County?
Owners occupy 74.3% of Traill County's occupied homes and renters 25.7%. The median owner-occupied home is valued at $200,700 by its owner (±$15,231). The median renter pays $717 a month including utilities, and 29.5% of renters pay 35% or more of their income on rent.
| Measure | Traill County | North Dakota | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $200,700±$15,231 | $249,900 | no clear change |
| Median gross rent | $717±$78 | $954 | no clear change |
| Renters paying 35% or more of income on rent | 29.5%±7.0 pts | 31.1% | no clear change |
| Median monthly owner costs, with a mortgage | $1,573±$73 | $1,762 | – |
| Owner-occupied homes | 74.3%±3.1 pts | 62.9% | no clear change |
| Housing units | 3,664±33 | 377,281 | −182 |
| Homeowner vacancy rate | 0.0%±1.0 pts | 1.2% | – |
| Rental vacancy rate | 13.3%±6.9 pts | 8.3% | – |
| Single-family detached homes | 76.0%±2.7 pts | 56.7% | – |
| Mobile homes | 2.8%±1.1 pts | 6.6% | – |
| Built 2020 or later | 1.8%±1.1 pts | 1.8% | – |
| Built 1939 or earlier | 29.2%±2.9 pts | 11.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Traill County building?
Builders took permits for 7 new housing units across Traill County in 2025 (7 single-family), 0.9 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Traill County get to work?
81.0% of Traill County's workers drive alone and 5.5% work from home. The average trip to work takes 19.9 minutes. The unemployment rate in 2020-2024 averaged 2.2%.
| Measure | Traill County | North Dakota | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 65.5%±2.2 pts | 68.6% | – |
| Unemployment rate | 2.2%±1.1 pts | 2.8% | no clear change |
| Drove alone to work | 81.0%±2.4 pts | 77.9% | – |
| Carpooled | 8.6%±1.8 pts | 8.8% | – |
| Public transportation | 0.0%±0.6 pts | 0.3% | – |
| Walked | 4.3%±1.4 pts | 3.2% | – |
| Worked from home | 5.5%±1.4 pts | 8.1% | no clear change |
| Mean travel time to work | 19.9 min±1.2 | 17.9 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Traill County's census tracts?
Traill County is divided into 4 census tracts. Among those with a reliable estimate, median household income runs from $60,769 (Tract 9702) to $109,516 (Tract 9703).
| Tract 970138097970100 | 2,243±150 | $93,667 |
|---|---|---|
| Tract 970238097970200 | 2,577±200 | $60,769 |
| Tract 970338097970300 | 1,428±151 | $109,516 |
| Tract 970438097970400 | 1,722±150 | $81,715 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Traill County compare with North Dakota's other counties?
| Measure | Rank |
|---|---|
| Population | 18th of 53 |
| Growth 2020-2025 | 25th of 53 |
| Residents per square mile | 12th of 53 |
| Median household income | 6th of 53 |
| Median home value | 15th of 53 |
| Median gross rent | 33rd of 53 |
| Poverty rate | 34th of 53 |
| Bachelor's degree or higher | 5th of 53 |
| Median age | 36th of 53 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Traill County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.