In 2020, Clay County, KS had a population of 8.03k people with a median age of 44.1 and a median household income of $47,880. Between 2019 and 2020 the population of Clay County, KS declined from 8,082 to 8,030, a −0.643% decrease and its median household income declined from $53,929 to $47,880, a −11.2% decrease.
The 5 largest ethnic groups in Clay County, KS are White (Non-Hispanic) (93.6%), White (Hispanic) (2.65%), Two+ (Non-Hispanic) (1.15%), Black or African American (Non-Hispanic) (1.01%), and American Indian & Alaska Native (Non-Hispanic) (0.996%).
None of the households in Clay County, KS 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.
99.3% of the residents in Clay County, KS are U.S. citizens.
In 2020, the median property value in Clay County, KS was $105,500, and the homeownership rate was 72%.
Most people in Clay County, KS drove alone to work, and the average commute time was 20.5 minutes. The average car ownership in Clay County, KS was 2 cars per household.