In 2018, Harper County, OK had a population of 3.85k people with a median age of 38 and a median household income of $50,114. Between 2017 and 2018 the population of Harper County, OK grew from 3,843 to 3,847, a 0.104% increase and its median household income grew from $46,915 to $50,114, a 6.82% increase.
The 5 largest ethnic groups in Harper County, OK are White (Non-Hispanic) (75.6%), White (Hispanic) (18.6%), Other (Hispanic) (4.19%), Two+ (Non-Hispanic) (0.702%), and Two+ (Hispanic) (0.468%). 0% of the people in Harper County, OK speak a non-English language, and 88.1% are U.S. citizens.
In 2018, the median property value in Harper County, OK was $79,500, and the homeownership rate was 82.9%. Most people in Harper County, OK drove alone to work, and the average commute time was 17.9 minutes. The average car ownership in Harper County, OK was 3 cars per household.