In 2018, Kay County, OK had a population of 44.9k people with a median age of 38.6 and a median household income of $45,426. Between 2017 and 2018 the population of Kay County, OK declined from 45,173 to 44,880, a -0.649% decrease and its median household income grew from $44,067 to $45,426, a 3.08% increase.
The 5 largest ethnic groups in Kay County, OK are White (Non-Hispanic) (75%), American Indian & Alaska Native (Non-Hispanic) (7.87%), Two+ (Non-Hispanic) (6.6%), White (Hispanic) (3.67%), and Other (Hispanic) (2.82%). 0% of the households in Kay County, OK speak a non-English language at home as their primary language, and 98.3% of the residents in Kay County, OK are U.S. citizens.
In 2018, the median property value in Kay County, OK was $88,800, and the homeownership rate was 68.6%. Most people in Kay County, OK drove alone to work, and the average commute time was 16.9 minutes. The average car ownership in Kay County, OK was 2 cars per household.