In 2023, Mountrail County, ND had a population of 9.57k people with a median age of 35.1 and a median household income of $81,292. Between 2022 and 2023 the population of Mountrail County, ND declined from 9,648 to 9,567, a −0.84% decrease and its median household income declined from $81,886 to $81,292, a −0.725% decrease.
The 5 largest ethnic groups in Mountrail County, ND are White (Non-Hispanic) (57.8%), American Indian & Alaska Native (Non-Hispanic) (28.4%), Two+ (Hispanic) (3.38%), Two+ (Non-Hispanic) (2.64%), and Other (Hispanic) (2.21%).
None of the households in Mountrail County, ND reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.5% of the residents in Mountrail County, ND are U.S. citizens.
The largest universities in Mountrail County, ND are Nueta Hidatsa Sahnish College (29 degrees awarded in 2022).
In 2023, the median property value in Mountrail County, ND was $222,200, and the homeownership rate was 60%.
Most people in Mountrail County, ND drove alone to work, and the average commute time was 19.9 minutes. The average car ownership in Mountrail County, ND was 2 cars per household.
Mountrail County, ND borders Burke County, ND, Dunn County, ND, McKenzie County, ND, McLean County, ND, Ward County, ND, and Williams County, ND.