In 2018, Sumner County, KS had a population of 23.2k people with a median age of 41.1 and a median household income of $54,915. Between 2017 and 2018 the population of Sumner County, KS declined from 23,336 to 23,208, a -0.549% decrease and its median household income grew from $52,695 to $54,915, a 4.21% increase.
The 5 largest ethnic groups in Sumner County, KS are White (Non-Hispanic) (89.8%), White (Hispanic) (4.61%), Two+ (Non-Hispanic) (2.16%), American Indian & Alaska Native (Non-Hispanic) (1.35%), and Black or African American (Non-Hispanic) (1.06%). NaNk% of the people in Sumner County, KS speak a non-English language, and 99.5% are U.S. citizens.
The median property value in Sumner County, KS is $87,400, and the homeownership rate is 73.5%. Most people in Sumner County, KS commute by Drove Alone, and the average commute time is 21.8 minutes. The average car ownership in Sumner County, KS is 2 cars per household.