Mandan is a city on the eastern border of Morton County, North Dakota, United States. Founded in 1879 on the west side of the upper Missouri River, it was designated in 1881 as the county seat of Morton County. The population was 24,206 as of the 2020 census, and was estimated at 25,061 in 2025, making it the eighth-most populous city in North Dakota. Across the Missouri River from Bismarck. Mandan is a core city of the Bismarck metropolitan area.
Midwest
Mandan
Morton County, ND
Population
24,049
Walk Score
74 · Very Walkable
Median rent
$979
Median home value
$244,700
Founded
1879
From Wikipedia. Released under CC BY-SA.
On the National Register
Historic districts
- Fort Abraham Lincoln State Park District
- Mandan Commercial Historic District · listed 1985
Notable landmarks
- Dunlap, Stuart, House · listed 1992
- Lewis and Clark Hotel · listed 1983
- Mandan Depot
- Mandan High School · listed 2017
- Sunnyside Farm Barn · listed 1996
- Welsh House · listed 1980
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