Mandan, North Dakota Population 2021

23,190
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Mandan is a city located in Morton County North Dakota. With a 2020 population of 23,190, it is the 8th largest city in North Dakota and the 1658th largest city in the United States . Mandan is currently growing at a rate of 0.95% annually and its population has increased by 26.51% since the most recent census, which recorded a population of 18,331 in 2010. Mandan reached it's highest population of 23,190 in 2021. Spanning over 14 miles, Mandan has a population density of 1,717 people per square mile.

The average household income in Mandan is $90,692 with a poverty rate of 8.16%. The median rental costs in recent years comes to $868 per month, and the median house value is $215,300. The median age in Mandan is 36.6 years, 36.4 years for males, and 36.8 years for females.

Mandan Demographics

According to the most recent ACS, the racial composition of Mandan was:

  • White: 88.84%
  • Native American: 4.23%
  • Two or more races: 2.70%
  • Other race: 1.98%
  • Black or African American: 1.39%
  • Asian: 0.86%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Mandan, North Dakota is 23,190 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 22,533.The last official US Census in 2010 recorded the population at 18,331.

Mandan, North Dakota Population 2021

Population by Race

Race Population Percentage
White19,81388.84%
American Indian and Alaska Native9434.23%
Two or More Races6022.70%
Some Other Race4421.98%
Black or African American3101.39%
Asian1910.86%
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Mandan Population by Race

Mandan Population Pyramid $2021

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Mandan Median Age

36.6


Total

36.4


Male

36.8


Female

Mandan Adults

There are 17,457 adults, (3,284 of whom are seniors) in Mandan.

Mandan Age Dependency

57.3

Age Dependency Ratio

23.2

Old Age Dependency Ratio

34.2

Child Dependency Ratio

Mandan Sex Ratio

Female

11,123

49.88%

Male

11,178

50.12%

Mandan Population by Age

Mandan Renter vs Owner Occupied by Household Type

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Mandan Household Types

Type Owner Renter
Married83.7%16.3%
All64.9%35.1%
Male60.6%39.4%
Non Family46.3%53.7%
Female42.8%57.2%

64.9%

Rate of Home Ownership

Mandan Households and Families

Type Count Average Size Owned
All9,8562.2164.9
Married4,8702.8483.7
Non Family3,8101.2546.3
Female8742.6742.8
Male3022.9460.6

2.75

Average Family Size

2.21

Average Household Size

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Mandan Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5843.74%
9th to 12th Grade6994.48%
High School Graduate4,11226.33%
Some College3,95425.32%
Associates Degree1,75211.22%
Bachelors Degree3,48522.31%
Graduate Degree1,0336.61%
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Mandan Educational Attainment by Sex (over 25)

Mandan Educational Attainment by Race

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Race Total High School Bachelors
White13,72812,6194,068
Hispanic753753133
Native American483380123
2+ Races430430155
Other Race41641648
Black24024039
Asian9928

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 36.05%.

Mandan Educational Attainment by Race

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Name Average Male Female
Overall$45,281$53,298$37,036
Less Than 9th Grade$26,726$41,462$
High School Graduate$36,363$42,708$35,203
Some College$41,969$52,562$32,155
Bachelors Degree$54,355$62,750$48,362
Graduate Degree$72,500$84,821$63,409

$45,281

Average Earnings

$53,298

Average Male

$37,036

Average Female

Mandan Earnings by Educational Attainment

Mandan Language by Age

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Mandan Language

95.45% of Mandan residents speak only English, while 4.55% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.43% of the population.

Mandan Language

Mandan Poverty by Race

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Name Total In Poverty Poverty Rate
White19,1341,2416.49%
Native84018321.79%
Asian19116385.34%
Hispanic88615517.49%
Black295289.49%
Multiple595122.02%
Other44140.91%

8.16%

Overall Poverty Rate

6.89%

Male Poverty Rate

9.46%

Female Poverty Rate

Poverty in Mandan

The race most likely to be in poverty in Mandan is Asian, with 85.34% below the poverty level.

The race least likely to be in poverty in Mandan is Other, with 0.91% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.87%. Among those working part-time, it was 17.30%, and for those that did not work, the poverty rate was 19.84%.

Mandan Poverty

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Name Poverty
Less Than 9th Grade17.09%
High School10.34%
Some College5.99%
Bachelors or Greater2.64%

Mandan Poverty Rate by Education

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Rate Poverty
Female Unemployed58.22%
Male Unemployed20.83%
Female Employed5.51%
Male Employed4.05%

Mandan Poverty Rate by Employment Status and Sex

Mandan Income by Household Type

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Name Median Mean
Households$69,014$90,692
Families$91,924$109,458
Married Families$100,822-
Non Families$44,771$57,928
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Income by Household Type

Mandan Marital Status

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Marriage Rates

57.0%

Overall Marriage Rate

58.9%

Male Marriage Rate

55.2%

Female Marriage Rate

Mandan Married by Age and Sex

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Mandan Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Mandan Marital Status by Race

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Mandan Marital Status

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1,226

Number of Veterans

1,177

Male Veterans

49

Female Veterans

War Veterans
Vietnam360
First Gulf War310
Second Gulf War250
Korea83
World War II28

Mandan Veterans by War

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Age Group Veterans
35 to 54379
65 to 74264
55 to 64250
75+241
18 to 3492

Mandan Veterans by Age

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Name Veterans % of Total
White1,2247.84%
Native American20.38%

Mandan Veterans by Race

Mandan Veterans by Education

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1.26%

Veteran Poverty Rate

17.03%

Veteran Disability Rate

Mandan Veterans by Education

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77.1%

Labor Force Participation

75.2%

Employment Rate

2.3%

Unemployment Rate

Mandan Employment by Age

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Mandan Employment by Race

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Mandan Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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70.64%

Born in Mandan

98.11%

Native Born

1.89%

Foreign Born

0.36%

Non Citizen

1.52%

Naturalized

Place of Birth

98.11% of Mandan residents were born in the United States, with 70.64% having been born in North Dakota. 0.36% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Mandan Place of Birth

Year Population Growth Annual Growth Rate
202123,1902190.95%
202022,9712190.96%
201922,7522190.97%
201822,5331660.74%
201722,3672341.06%
201622,1333801.75%
201521,7535142.42%
201421,2399274.56%
201320,3127964.08%
201219,5163942.06%
201119,1221750.92%
201018,9472,2291.26%
200016,7181,5410.97%
199015,177-336-0.22%
198015,5134,4203.41%
197011,0935680.53%
196010,5253,2273.73%
19507,2986130.88%
19406,6851,6482.87%
19305,0377011.51%
19204,3364631.14%
19103,8732,57311.53%
19001,3000.00%

Mandan Population by Year