In 2018, Decatur County, IA had a population of 8.04k people with a median age of 36.4 and a median household income of $42,614. Between 2017 and 2018 the population of Decatur County, IA declined from 8,105 to 8,044, a -0.753% decrease and its median household income grew from $41,042 to $42,614, a 3.83% increase.
The 5 largest ethnic groups in Decatur County, IA are White (Non-Hispanic) (92.9%), White (Hispanic) (1.93%), Black or African American (Non-Hispanic) (1.58%), Two+ (Non-Hispanic) (1.44%), and Asian (Non-Hispanic) (0.671%). NaNk% of the people in Decatur County, IA speak a non-English language, and 98.6% are U.S. citizens.
The largest universities in Decatur County, IA are Graceland University-Lamoni (707 degrees awarded in 2017).
The median property value in Decatur County, IA is $76,800, and the homeownership rate is 66.1%. Most people in Decatur County, IA commute by Drove Alone, and the average commute time is 22.1 minutes. The average car ownership in Decatur County, IA is 2 cars per household.