In 2018, Osage County, KS had a population of 15.9k people with a median age of 43.6 and a median household income of $55,036. Between 2017 and 2018 the population of Osage County, KS declined from 15,894 to 15,882, a -0.0755% decrease and its median household income grew from $54,186 to $55,036, a 1.57% increase.
The 5 largest ethnic groups in Osage County, KS are White (Non-Hispanic) (93.4%), White (Hispanic) (2.57%), Two+ (Non-Hispanic) (2.49%), Black or African American (Non-Hispanic) (0.598%), and Two+ (Hispanic) (0.422%). 0% of the households in Osage County, KS speak a non-English language at home as their primary language, and 99.9% of the residents in Osage County, KS are U.S. citizens.
In 2018, the median property value in Osage County, KS was $110,700, and the homeownership rate was 74.4%. Most people in Osage County, KS drove alone to work, and the average commute time was 28.5 minutes. The average car ownership in Osage County, KS was 2 cars per household.