In 2017, Decatur County, KS had a population of 2.89k people with a median age of 51.3 and a median household income of $41,230. Between 2016 and 2017 the population of Decatur County, KS grew from 2,886 to 2,891, a 0.173% increase and its median household income declined from $41,362 to $41,230, a -0.319% decrease.
The 5 largest ethnic groups in Decatur County, KS are White (Non-Hispanic) (94.7%), White (Hispanic) (2.08%), Two or More Races (Non-Hispanic) (1.07%), American Indian & Alaska Native (Non-Hispanic) (0.934%), and Asian (Non-Hispanic) (0.519%). N/A% of the people in Decatur County, KS speak a non-English language, and 98.8% are U.S. citizens.
The median property value in Decatur County, KS is $63,400, and the homeownership rate is 71.7%. Most people in Decatur County, KS commute by Drove Alone, and the average commute time is 15.7 minutes. The average car ownership in Decatur County, KS is 2 cars per household.