In 2022, Decatur County, KS had a population of 2.77k people with a median age of 50.6 and a median household income of $49,412. Between 2021 and 2022 the population of Decatur County, KS declined from 2,792 to 2,771, a −0.752% decrease and its median household income grew from $46,733 to $49,412, a 5.73% increase.
The 5 largest ethnic groups in Decatur County, KS are White (Non-Hispanic) (92.2%), White (Hispanic) (2.85%), Two+ (Non-Hispanic) (1.52%), Black or African American (Non-Hispanic) (1.05%), and American Indian & Alaska Native (Non-Hispanic) (0.938%).
None of the households in Decatur 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.
99.7% of the residents in Decatur County, KS are U.S. citizens.
In 2022, the median property value in Decatur County, KS was $76,100, and the homeownership rate was 80.5%.
Decatur County, KS borders Norton County, KS, Rawlins County, KS, Sheridan County, KS, Thomas County, KS, Furnas County, NE, and Red Willow County, NE.