Community and County Profiles
As of 2025 the population of Mandan is 25,578. The population is expected to grow to 26,632 by 2030 - a growth rate of 0.81%.
The median age of Mandan residents is 38.
The diversity index of Mandan is 36.6, meaning that there is a 37% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
The average household income in Mandan is $103,258 and projected to be $111,006 in 2030. Per capita income is $43,675, projected to be $46,891 in 2030. 3.29% of households – 841 – have an income of $200,000 or higher. Average net worth is $737,673 and the average disposable income is $82,264.
There are 11,645 housing units in Mandan; 7,280 are owner-occupied, 3,514 are rented, and 851 are vacant. The average home value is $335,793, with 2,100 homes built in 2010 or later, and 948 built in 1939 or earlier.
There are 927 businesses in Mandan, employing 9,917 workers and pulling from a labor force of 13,985 age 16 and above. 8,730 workers commute into Mandan from outside the county or state. Key industries for the area include:
5,233 residents both live and work in/around Mandan. The average travel time is 18.4 minutes. 6.27% people have a commute of less than 5 minutes while 4.32% commute 90 minutes or more each way. Of commuters, 11,544 drive alone, 1,057 carpool, and 0 take public transportation. 245 use other modes of transport such as motorcycle, bicycle, walking, etc. 1,139 residents work from home.
4,398 members of the workforce hold a high school diploma or GED. 2,400 have associates degrees, 4,545 have bachelor’s degrees, and 1,313 hold a graduate or professional degree.
