Demographics of McLean County, North Dakota

McLean County, North Dakota had 9,740 people on July 1, 2025, by the Census Bureau’s estimate: −23 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.

McLean County, in four figures

9,740
Population: July 1, 2025, Vintage 2025 estimate.; −0.2%
Change since July 2020: −23 people.; 47.7 ±0.5
Median age: ACS 2020–⁠2024.; $83,583 ±$6,887
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.

McLean County, North Dakota's population shrank 0.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of McLean 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

McLean County, North Dakota's population shrank 0.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of McLean 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	9,763	100.0	100.0
2021	9,832	100.7	100.2
2022	9,860	101.0	100.7
2023	9,825	100.6	101.6
2024	9,803	100.4	102.5
2025	9,740	99.8	103.1

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Population of McLean 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	9,763	−13	−10	0	−2
2021	9,832	+69	−8	0	+71
2022	9,860	+28	−29	+5	+53
2023	9,825	−35	−25	+7	−15
2024	9,803	−22	−40	+10	+8
2025	9,740	−63	−44	+8	−30

Age, 2020–2024

The median age is 47.7 ±0.5: for men 47.5 ±0.9 and for women 47.9 ±0.9. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in McLean County by age, ACS 2020–2024
Age	People	Share	North Dakota	United States
Under 5	484 ±22	4.9% ±0.2	6.3% ±0.1	5.6% ±<0.1
5 to 17	1,585 ±113	16.1% ±1.1	17.2% ±0.3	16.3% ±<0.1
18 to 24	532 ±70	5.4% ±0.7	11.1% ±0.3	9.1% ±<0.1
25 to 44	2,048 ±115	20.8% ±1.2	27.4% ±0.3	26.9% ±<0.1
45 to 64	2,593 ±144	26.4% ±1.5	21.5% ±0.2	24.8% ±<0.1
65 and over	2,581 ±196	26.3% ±2.0	16.5% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $83,583 ±$6,887, and income per person $45,317 ±$2,785, 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 McLean County by income, ACS 2020–2024
Household income	Households	Share	North Dakota	United States
Under $25,000	493 ±96	11.3% ±2.2	14.4% ±0.5	14.6% ±<0.1
$25,000 to $49,999	716 ±125	16.4% ±2.8	17.9% ±0.6	16.7% ±<0.1
$50,000 to $74,999	818 ±116	18.7% ±2.6	16.6% ±0.5	15.5% ±<0.1
$75,000 to $99,999	520 ±74	11.9% ±1.6	13.9% ±0.4	12.6% ±<0.1
$100,000 to $149,999	982 ±124	22.4% ±2.7	18.6% ±0.6	17.5% ±<0.1
$150,000 to $199,999	541 ±112	12.4% ±2.5	9.0% ±0.4	9.6% ±<0.1
$200,000 or more	307 ±64	7.0% ±1.4	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 McLean County by age, ACS 2020–2024
Age	Below poverty	Rate	North Dakota	United States
All ages	857 ±157	8.9% ±1.6	10.8% ±0.4	12.5% ±0.1
Under 18	166 ±60	8.1% ±2.9	11.1% ±0.7	16.1% ±0.1
18 to 59	323 ±67	7.6% ±1.6	11.2% ±0.4	11.6% ±0.1
60 and over	368 ±125	11.0% ±3.7	9.5% ±0.5	11.0% ±<0.1

Housing, 2020–2024

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Housing in McLean County, ACS 2020–2024
Measure	McLean County	North Dakota	United States
Housing units	5,807 ±32	377,281 ±282	143,775,355 ±10,234
Occupied	75.4% ±2.3	87.7% ±0.4	89.9% ±0.1
Vacant	24.6% ±2.4	12.3% ±0.4	10.1% ±0.1
Owner occupied	84.2% ±1.1	62.9% ±0.6	65.2% ±0.3
Renter occupied	15.8% ±2.8	37.1% ±0.7	34.8% ±0.1
Median home value	$227,100 ±$15,589	$249,900 ±$2,909	$332,700 ±$236
Median gross rent	$784 ±$51	$954 ±$11	$1,413 ±$2
Median year built	1975 ±2	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 McLean County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	North Dakota	United States
Hispanic or Latino	201 ±0	2.0% ±<0.1	4.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	8,652 ±24	88.1% ±0.2	81.7% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	2 to 18	< 0.1% to 0.2%	3.3% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	100 ±42	1.0% ±0.4	1.6% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	540 ±60	5.5% ±0.6	4.2% ±0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 22	0% to 0.2%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 12	0% to 0.1%	0.3% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	306 ±53	3.1% ±0.5	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 McLean County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	North Dakota	United States
Born in the state	7,389 ±233	75.2% ±2.4	61.4% ±0.4	57.3% ±<0.1
Born in another state	2,117 ±230	21.6% ±2.3	32.8% ±0.4	26.9% ±<0.1
Born a citizen outside the states	8 to 102	0.1% to 1.0%	1.1% ±0.1	1.7% ±<0.1
Born abroad	262 ±78	2.7% ±0.8	4.7% ±0.2	14.1% ±<0.1
Naturalized citizens	82 ±40	0.8% ±0.4	1.9% ±0.1	7.4% ±<0.1
Not citizens	180 ±66	1.8% ±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%.

McLean County among the counties of North Dakota

15th of 53 by population, July 2025. Every one is listed on the North Dakota page.

Counties of North Dakota near McLean County in population, July 2025
County	July 2025	Change since 2020
McKenzie County	15,192	+2.8%
Rolette County	11,688	−4.1%
Ramsey County	11,530	−0.4%
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%

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