In 2019, Kay County, OK had a population of 44.4k people with a median age of 38.4 and a median household income of $46,809. Between 2018 and 2019 the population of Kay County, OK declined from 44,880 to 44,402, a −1.07% decrease and its median household income grew from $45,426 to $46,809, a 3.04% increase.
The 5 largest ethnic groups in Kay County, OK are White (Non-Hispanic) (74.6%), American Indian & Alaska Native (Non-Hispanic) (8.24%), Two+ (Non-Hispanic) (6.68%), White (Hispanic) (3.31%), and Other (Hispanic) (3.01%). 0% of the households in Kay County, OK speak a non-English language at home as their primary language, and 98.5% of the residents in Kay County, OK are U.S. citizens.
In 2019, the median property value in Kay County, OK was $92,100, and the homeownership rate was 67.5%. Most people in Kay County, OK drove alone to work, and the average commute time was 17.1 minutes. The average car ownership in Kay County, OK was 2 cars per household.