In 2019, Decatur County, TN had a population of 11.7k people with a median age of 46.4 and a median household income of $42,031. Between 2018 and 2019 the population of Decatur County, TN grew from 11,683 to 11,686, a 0.0257% increase and its median household income grew from $40,233 to $42,031, a 4.47% increase.
The 5 largest ethnic groups in Decatur County, TN are White (Non-Hispanic) (91.4%), Black or African American (Non-Hispanic) (4.43%), Two+ (Non-Hispanic) (2.7%), White (Hispanic) (0.83%), and Two+ (Hispanic) (0.394%). 0% of the households in Decatur County, TN speak a non-English language at home as their primary language, and 99.8% of the residents in Decatur County, TN are U.S. citizens.
In 2019, the median property value in Decatur County, TN was $98,800, and the homeownership rate was 81%. Most people in Decatur County, TN drove alone to work, and the average commute time was 23.9 minutes. The average car ownership in Decatur County, TN was 2 cars per household.