Demographics of Traill County, North Dakota

Traill County, North Dakota had 7,920 people on July 1, 2025, by the Census Bureau’s estimate: −64 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Traill County, in four figures

7,920
Population: July 1, 2025, Vintage 2025 estimate.; −0.8%
Change since July 2020: −64 people.; 40.4 ±0.6
Median age: ACS 2020–⁠2024.; $87,004 ±$5,785
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Traill County, North Dakota's population shrank 0.8% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Traill County, North Dakota's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Traill County, North Dakota's population shrank 0.8% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Traill County, North Dakota's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	7,984	100.0	100.0
2021	7,977	99.9	100.2
2022	7,967	99.8	100.7
2023	7,958	99.7	101.6
2024	7,967	99.8	102.5
2025	7,920	99.2	103.1

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Population of Traill County, North Dakota on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	7,984	−11	+2	0	−11
2021	7,977	−7	−24	+4	+5
2022	7,967	−10	−21	+9	+2
2023	7,958	−9	−4	+17	−19
2024	7,967	+9	−19	+15	+14
2025	7,920	−47	−23	+11	−34

Age, 2020–2024

The median age is 40.4 ±0.6: for men 39.0 ±1.4 and for women 41.5 ±0.9. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Traill County by age, ACS 2020–2024
Age	People	Share	North Dakota	United States
Under 5	507 ±67	6.4% ±0.8	6.3% ±0.1	5.6% ±<0.1
5 to 17	1,314 ±92	16.5% ±1.2	17.2% ±0.3	16.3% ±<0.1
18 to 24	776 ±110	9.7% ±1.4	11.1% ±0.3	9.1% ±<0.1
25 to 44	1,754 ±104	22.0% ±1.3	27.4% ±0.3	26.9% ±<0.1
45 to 64	2,002 ±110	25.1% ±1.4	21.5% ±0.2	24.8% ±<0.1
65 and over	1,617 ±127	20.3% ±1.6	16.5% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $87,004 ±$5,785, and income per person $43,618 ±$2,083, in 2024 dollars. The median is $76,657 ±$1,163 in North Dakota and $80,734 ±$166 in the United States.

Households by income

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Households in Traill County by income, ACS 2020–2024
Household income	Households	Share	North Dakota	United States
Under $25,000	533 ±109	16.0% ±3.2	14.4% ±0.5	14.6% ±<0.1
$25,000 to $49,999	435 ±77	13.1% ±2.3	17.9% ±0.6	16.7% ±<0.1
$50,000 to $74,999	479 ±83	14.4% ±2.5	16.6% ±0.5	15.5% ±<0.1
$75,000 to $99,999	425 ±86	12.8% ±2.5	13.9% ±0.4	12.6% ±<0.1
$100,000 to $149,999	809 ±103	24.3% ±3.0	18.6% ±0.6	17.5% ±<0.1
$150,000 to $199,999	294 ±64	8.8% ±1.9	9.0% ±0.4	9.6% ±<0.1
$200,000 or more	358 ±54	10.7% ±1.6	9.6% ±0.4	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Traill County by age, ACS 2020–2024
Age	Below poverty	Rate	North Dakota	United States
All ages	680 ±150	9.1% ±2.0	10.8% ±0.4	12.5% ±0.1
Under 18	109 ±50	6.0% ±2.7	11.1% ±0.7	16.1% ±0.1
18 to 59	380 ±93	10.3% ±2.5	11.2% ±0.4	11.6% ±0.1
60 and over	191 ±63	9.6% ±3.1	9.5% ±0.5	11.0% ±<0.1

Housing, 2020–2024

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Housing in Traill County, ACS 2020–2024
Measure	Traill County	North Dakota	United States
Housing units	3,664 ±33	377,281 ±282	143,775,355 ±10,234
Occupied	91.0% ±2.7	87.7% ±0.4	89.9% ±0.1
Vacant	9.0% ±2.6	12.3% ±0.4	10.1% ±0.1
Owner occupied	74.3% ±2.0	62.9% ±0.6	65.2% ±0.3
Renter occupied	25.7% ±3.5	37.1% ±0.7	34.8% ±0.1
Median home value	$200,700 ±$15,231	$249,900 ±$2,909	$332,700 ±$236
Median gross rent	$717 ±$78	$954 ±$11	$1,413 ±$2
Median year built	1964 ±3	1982 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Traill County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	North Dakota	United States
Hispanic or Latino	315 ±0	4.0% ±<0.1	4.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	7,114 ±76	89.3% ±1.0	81.7% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	77 ±28	1.0% ±0.4	3.3% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	21 to 69	0.3% to 0.9%	1.6% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	63 ±29	0.8% ±0.4	4.2% ±0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 3	0% to < 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	10 to 66	0.1% to 0.8%	0.3% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	317 ±85	4.0% ±1.1	4.0% ±0.2	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Traill County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	North Dakota	United States
Born in the state	5,556 ±190	69.7% ±2.4	61.4% ±0.4	57.3% ±<0.1
Born in another state	2,142 ±163	26.9% ±2.0	32.8% ±0.4	26.9% ±<0.1
Born a citizen outside the states	17 to 73	0.2% to 0.9%	1.1% ±0.1	1.7% ±<0.1
Born abroad	227 ±88	2.8% ±1.1	4.7% ±0.2	14.1% ±<0.1
Naturalized citizens	105 ±51	1.3% ±0.6	1.9% ±0.1	7.4% ±<0.1
Not citizens	122 ±59	1.5% ±0.7	2.8% ±0.2	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Traill County among the counties of North Dakota

18th of 53 by population, July 2025. Every one is listed on the North Dakota page.

Counties of North Dakota near Traill County in population, July 2025
County	July 2025	Change since 2020
Barnes County	10,573	−2.7%
Walsh County	10,179	−3.4%
McLean County	9,740	−0.2%
Mountrail County	9,395	−4.2%
Mercer County	8,441	+1.1%
Traill County	7,920	−0.8%
Pembina County	6,568	−3.8%
Bottineau County	6,284	−1.6%
Benson County	5,759	−3.0%
Ransom County	5,617	−1.5%
McHenry County	5,130	−3.9%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026