In 2021, Sumner County, KS had a population of 22.6k people with a median age of 42.1 and a median household income of $54,854. Between 2020 and 2021 the population of Sumner County, KS declined from 22,928 to 22,603, a −1.42% decrease and its median household income grew from $53,578 to $54,854, a 2.38% increase.
The 5 largest ethnic groups in Sumner County, KS are White (Non-Hispanic) (88.6%), White (Hispanic) (3.38%), Two+ (Non-Hispanic) (2.94%), American Indian & Alaska Native (Non-Hispanic) (1.09%), and American Indian & Alaska Native (Hispanic) (1.04%).
None of the households in Sumner 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 Sumner County, KS are U.S. citizens.
In 2021, the median property value in Sumner County, KS was $99,400, and the homeownership rate was 71.5%.
Most people in Sumner County, KS drove alone to work, and the average commute time was 23.9 minutes. The average car ownership in Sumner County, KS was 2 cars per household.
Sumner County, KS borders Butler County, KS, Cowley County, KS, Harper County, KS, Kingman County, KS, Sedgwick County, KS, Grant County, OK, and Kay County, OK.