In 2018, Decatur County, IN had a population of 26.6k people with a median age of 38.9 and a median household income of $54,622. Between 2017 and 2018 the population of Decatur County, IN grew from 26,480 to 26,552, a 0.272% increase and its median household income grew from $52,270 to $54,622, a 4.5% increase.
The 5 largest ethnic groups in Decatur County, IN are White (Non-Hispanic) (94.9%), White (Hispanic) (1.53%), Asian (Non-Hispanic) (1.36%), Two+ (Non-Hispanic) (0.953%), and Black or African American (Non-Hispanic) (0.629%). 0% of the households in Decatur County, IN speak a non-English language at home as their primary language, and 98.9% of the residents in Decatur County, IN are U.S. citizens.
In 2018, the median property value in Decatur County, IN was $124,700, and the homeownership rate was 69.1%. Most people in Decatur County, IN drove alone to work, and the average commute time was 20.6 minutes. The average car ownership in Decatur County, IN was 2 cars per household.