In 2023, Decatur County, IA had a population of 7.67k people with a median age of 36.2 and a median household income of $57,146. Between 2022 and 2023 the population of Decatur County, IA declined from 7,684 to 7,669, a −0.195% decrease and its median household income grew from $56,068 to $57,146, a 1.92% increase.
The 5 largest ethnic groups in Decatur County, IA are White (Non-Hispanic) (90.9%), Two+ (Non-Hispanic) (2.87%), White (Hispanic) (2%), Black or African American (Non-Hispanic) (1.63%), and Two+ (Hispanic) (0.691%).
None of the households in Decatur County, IA 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.
98.5% of the residents in Decatur County, IA are U.S. citizens.
The largest universities in Decatur County, IA are Graceland University-Lamoni (459 degrees awarded in 2022).
In 2023, the median property value in Decatur County, IA was $109,500, and the homeownership rate was 68%.
Most people in Decatur County, IA drove alone to work, and the average commute time was 22.9 minutes. The average car ownership in Decatur County, IA was 2 cars per household.
Decatur County, IA borders Clarke County, IA, Lucas County, IA, Ringgold County, IA, Union County, IA, Wayne County, IA, Harrison County, MO, and Mercer County, MO.