In 2021, Mercer County, ND had a population of 8.41k people with a median age of 44.4 and a median household income of $78,547. Between 2020 and 2021 the population of Mercer County, ND grew from 8,359 to 8,405, a 0.55% increase and its median household income declined from $82,087 to $78,547, a −4.31% decrease.
The 5 largest ethnic groups in Mercer County, ND are White (Non-Hispanic) (90.6%), American Indian & Alaska Native (Non-Hispanic) (4.03%), White (Hispanic) (1.53%), Other (Non-Hispanic) (1.32%), and Other (Hispanic) (1.11%).
None of the households in Mercer 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.
98.9% of the residents in Mercer County, ND are U.S. citizens.
In 2021, the median property value in Mercer County, ND was $169,400, and the homeownership rate was 83.6%.
Most people in Mercer County, ND drove alone to work, and the average commute time was 17.6 minutes. The average car ownership in Mercer County, ND was 3 cars per household.
Mercer County, ND borders Dunn County, ND, McLean County, ND, Morton County, ND, Oliver County, ND, and Stark County, ND.