In 2017, Sumner County, KS had a population of 23.3k people with a median age of 40.7 and a median household income of $52,695. Between 2016 and 2017 the population of Sumner County, KS declined from 23,509 to 23,336, a -0.736% decrease and its median household income grew from $50,950 to $52,695, a 3.42% increase.
The 5 largest ethnic groups in Sumner County, KS are White (Non-Hispanic) (90%), White (Hispanic) (4.46%), Two or More Races (Non-Hispanic) (2.3%), American Indian & Alaska Native (Non-Hispanic) (1.05%), and Black or African American (Non-Hispanic) (0.947%). N/A% of the people in Sumner County, KS speak a non-English language, and 99.4% are U.S. citizens.
The median property value in Sumner County, KS is $86,800, and the homeownership rate is 73.9%. Most people in Sumner County, KS commute by Drove Alone, and the average commute time is 22.3 minutes. The average car ownership in Sumner County, KS is 2 cars per household.