In 2023, Decatur County, TN had a population of 11.5k people with a median age of 45.9 and a median household income of $46,190. Between 2022 and 2023 the population of Decatur County, TN grew from 11,483 to 11,499, a 0.139% increase and its median household income declined from $48,466 to $46,190, a −4.7% decrease.
The 5 largest ethnic groups in Decatur County, TN are White (Non-Hispanic) (90.7%), Black or African American (Non-Hispanic) (3.07%), Two+ (Hispanic) (2.04%), Two+ (Non-Hispanic) (1.71%), and Asian (Non-Hispanic) (0.939%).
None of the households in Decatur County, TN 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.
In 2023, the median property value in Decatur County, TN was $133,900, and the homeownership rate was 75%.
Most people in Decatur County, TN drove alone to work, and the average commute time was 25.8 minutes. The average car ownership in Decatur County, TN was 2 cars per household.
Decatur County, TN borders Benton County, TN, Carroll County, TN, Hardin County, TN, Henderson County, TN, Perry County, TN, and Wayne County, TN.