In 2023, Foster County, ND had a population of 3.37k people with a median age of 43.3 and a median household income of $83,412. Between 2022 and 2023 the population of Foster County, ND declined from 3,388 to 3,372, a −0.472% decrease and its median household income grew from $78,426 to $83,412, a 6.36% increase.
The 5 largest ethnic groups in Foster County, ND are White (Non-Hispanic) (94%), Two+ (Non-Hispanic) (2.73%), Asian (Non-Hispanic) (1.33%), Two+ (Hispanic) (0.534%), and Black or African American (Non-Hispanic) (0.356%).
None of the households in Foster 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.
98.7% of the residents in Foster County, ND are U.S. citizens.
In 2023, the median property value in Foster County, ND was $162,800, and the homeownership rate was 77.4%.
Most people in Foster County, ND drove alone to work, and the average commute time was 13.8 minutes. The average car ownership in Foster County, ND was 2 cars per household.
Foster County, ND borders Eddy County, ND, Griggs County, ND, Stutsman County, ND, and Wells County, ND.