Mandan Population 2026

Mandan has a population of 21,382, making it the #2221 biggest city in 🇺🇸 United States, located in North Dakota. It is about 412× smaller than New York City, the country's biggest city.

Location of Mandan (capital Washington shown for reference). Boundaries: Natural Earth.

Population (city proper)

21,382

Rank in United States

#2221

Coordinates

46.83°N, 100.89°W

~502 m elevation · America/North_Dakota/New_Salem

Distance to capital (Washington)

2,124 km

1,319 miles, straight line

Other big cities in North Dakota

City	Population	Rank in United States
Fargo	118,523	#247
Bismarck	75,092	#500
Grand Forks	57,011	#736
Minot	49,450	#886
West Fargo	33,597	#1364
Williston	26,977	#1741
Dickinson	23,765	#1999
Jamestown	15,422	#3026

Cities near Mandan

Bismarck75,092 people · ~8 km away
Dickinson23,765 people · ~145 km away
Minot49,450 people · ~159 km away
Jamestown15,422 people · ~166 km away
Aberdeen28,102 people · ~239 km away
Williston26,977 people · ~252 km away

FAQ

What is the population of Mandan?

Mandan has a population of 21,382 (city proper, latest official figure via GeoNames), making it the #2221 biggest city in United States.

What state is Mandan in?

Mandan is located in North Dakota, United States.

Is Mandan the capital of United States?

No, the capital of United States is Washington D.C., about 2,124 km away.

Sources & notes

Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.

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