Demographics of Mandan city, North Dakota

Mandan city, North Dakota had 25,061 people on July 1, 2025, by the Census Bureau’s estimate: +842 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Mandan city, in four figures

25,061
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 24,522 ±32.; +3.5%
Change since July 2020: +842 people.; 36.1 ±1.6
Median age: ACS 2020–⁠2024.; $71,780 ±$10,349
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Mandan city, North Dakota's population grew 3.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Mandan city, 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).

Source: The Census Bureau

About this chart

The figures

Mandan city, North Dakota's population grew 3.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Mandan city, 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	24,219	100.0	100.0
2021	24,407	100.8	100.2
2022	24,508	101.2	100.7
2023	24,754	102.2	101.6
2024	24,834	102.5	102.5
2025	25,061	103.5	103.1

Population of Mandan city, North Dakota on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	24,219	—
2021	24,407	+188
2022	24,508	+101
2023	24,754	+246
2024	24,834	+80
2025	25,061	+227

Age, 2020–2024

The median age is 36.1 ±1.6: for men 35.7 ±1.7 and for women 37.6 ±2.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Mandan city by age, ACS 2020–2024
Age	People	Share	North Dakota	United States
Under 5	1,194 ±176	4.9% ±0.7	6.3% ±0.1	5.6% ±<0.1
5 to 17	4,157 ±448	17.0% ±1.8	17.2% ±0.3	16.3% ±<0.1
18 to 24	2,525 ±477	10.3% ±1.9	11.1% ±0.3	9.1% ±<0.1
25 to 44	7,032 ±578	28.7% ±2.4	27.4% ±0.3	26.9% ±<0.1
45 to 64	5,599 ±450	22.8% ±1.8	21.5% ±0.2	24.8% ±<0.1
65 and over	4,015 ±447	16.4% ±1.8	16.5% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $71,780 ±$10,349, and income per person $46,905 ±$6,931, 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 Mandan city by income, ACS 2020–2024
Household income	Households	Share	North Dakota	United States
Under $25,000	1,048 ±270	10.0% ±2.6	14.4% ±0.5	14.6% ±<0.1
$25,000 to $49,999	2,527 ±522	24.1% ±4.9	17.9% ±0.6	16.7% ±<0.1
$50,000 to $74,999	1,753 ±358	16.8% ±3.4	16.6% ±0.5	15.5% ±<0.1
$75,000 to $99,999	1,260 ±308	12.0% ±2.9	13.9% ±0.4	12.6% ±<0.1
$100,000 to $149,999	1,998 ±389	19.1% ±3.7	18.6% ±0.6	17.5% ±<0.1
$150,000 to $199,999	1,193 ±307	11.4% ±2.9	9.0% ±0.4	9.6% ±<0.1
$200,000 or more	686 ±185	6.6% ±1.8	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 Mandan city by age, ACS 2020–2024
Age	Below poverty	Rate	North Dakota	United States
All ages	2,355 ±679	9.8% ±2.8	10.8% ±0.4	12.5% ±0.1
Under 18	222 to 702	4.4% to 13.4%	11.1% ±0.7	16.1% ±0.1
18 to 59	1,517 ±449	11.4% ±3.3	11.2% ±0.4	11.6% ±0.1
60 and over	376 ±142	6.9% ±2.5	9.5% ±0.5	11.0% ±<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%.

Housing, 2020–2024

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Housing in Mandan city, ACS 2020–2024
Measure	Mandan city	North Dakota	United States
Housing units	11,491 ±242	377,281 ±282	143,775,355 ±10,234
Occupied	91.1% ±1.8	87.7% ±0.4	89.9% ±0.1
Vacant	8.9% ±2.9	12.3% ±0.4	10.1% ±0.1
Owner occupied	69.0% ±3.5	62.9% ±0.6	65.2% ±0.3
Renter occupied	31.0% ±4.1	37.1% ±0.7	34.8% ±0.1
Median home value	$259,800 ±$13,885	$249,900 ±$2,909	$332,700 ±$236
Median gross rent	$1,083 ±$73	$954 ±$11	$1,413 ±$2
Median year built	1981 ±7	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 Mandan city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	North Dakota	United States
Hispanic or Latino	1,390 ±103	5.7% ±0.4	4.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	20,543 ±338	83.8% ±1.4	81.7% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	546 ±167	2.2% ±0.7	3.3% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 107	0% to 0.4%	1.6% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	1,226 ±241	5.0% ±1.0	4.2% ±0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 74	0% to 0.3%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 355	0% to 1.4%	0.3% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	596 ±236	2.4% ±1.0	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 Mandan city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	North Dakota	United States
Born in the state	16,457 ±754	67.1% ±3.1	61.4% ±0.4	57.3% ±<0.1
Born in another state	6,712 ±724	27.4% ±3.0	32.8% ±0.4	26.9% ±<0.1
Born a citizen outside the states	1,025 ±343	4.2% ±1.4	1.1% ±0.1	1.7% ±<0.1
Born abroad	147 to 509	0.6% to 2.1%	4.7% ±0.2	14.1% ±<0.1
Naturalized citizens	52 to 336	0.2% to 1.4%	1.9% ±0.1	7.4% ±<0.1
Not citizens	28 to 240	0.1% to 1.0%	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%.

Mandan city among the places of North Dakota

8th of 13 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the North Dakota page.

Places of North Dakota near Mandan city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Grand Forks city	59,042 ±37
Minot city	47,791 ±34
West Fargo city	40,094 ±39
Williston city	28,056 ±24
Dickinson city	25,357 ±34
Mandan city	24,522 ±32
Jamestown city	15,787 ±54
Wahpeton city	8,010 ±68
Devils Lake city	7,308 ±45
Valley City city	6,541 ±24
Watford City city	6,039 ±29

Sources

Census Bureau population estimates — incorporated places and New England towns — 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

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026