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).
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.