In 2021, Decatur County, IA had a population of 7.72k people with a median age of 35.9 and a median household income of $52,753. Between 2020 and 2021 the population of Decatur County, IA declined from 7,908 to 7,718, a −2.4% decrease and its median household income grew from $48,154 to $52,753, a 9.55% increase.
The 5 largest ethnic groups in Decatur County, IA are White (Non-Hispanic) (91.3%), Two+ (Non-Hispanic) (2.84%), White (Hispanic) (2.32%), Black or African American (Non-Hispanic) (1.54%), and Asian (Non-Hispanic) (0.726%).
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.
98.3% of the residents in Decatur County, IA are U.S. citizens.
The largest universities in Decatur County, IA are Graceland University-Lamoni (518 degrees awarded in 2021).
In 2021, the median property value in Decatur County, IA was $87,900, and the homeownership rate was 67.5%.
Most people in Decatur County, IA drove alone to work, and the average commute time was 24.4 minutes. The average car ownership in Decatur County, IA was 2 cars per household.