In 2021, Decatur County, TN had a population of 11.5k people with a median age of 45.6 and a median household income of $43,817. Between 2020 and 2021 the population of Decatur County, TN declined from 11,663 to 11,460, a −1.74% decrease and its median household income grew from $40,389 to $43,817, a 8.49% increase.
The 5 largest ethnic groups in Decatur County, TN are White (Non-Hispanic) (91.6%), Black or African American (Non-Hispanic) (2.55%), Two+ (Non-Hispanic) (2.34%), Two+ (Hispanic) (1.97%), and White (Hispanic) (0.733%).
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.
99.8% of the residents in Decatur County, TN are U.S. citizens.
In 2021, the median property value in Decatur County, TN was $105,300, and the homeownership rate was 81.1%.
Most people in Decatur County, TN drove alone to work, and the average commute time was 21.5 minutes. The average car ownership in Decatur County, TN was 2 cars per household.