In 2021, Slope County, ND had a population of 775 people with a median age of 52.1 and a median household income of $67,614. Between 2020 and 2021 the population of Slope County, ND declined from 788 to 775, a −1.65% decrease and its median household income grew from $65,833 to $67,614, a 2.71% increase.
The 5 largest ethnic groups in Slope County, ND are White (Non-Hispanic) (96.3%), Two+ (Non-Hispanic) (2.45%), American Indian & Alaska Native (Non-Hispanic) (1.16%), Two+ (Hispanic) (0.129%), and White (Hispanic) (0%).
None of the households in Slope 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.
99.7% of the residents in Slope County, ND are U.S. citizens.
In 2021, the median property value in Slope County, ND was $96,700, and the homeownership rate was 89%.
Most people in Slope County, ND drove alone to work, and the average commute time was 19.4 minutes. The average car ownership in Slope County, ND was 4 cars per household.