In 2021, DeKalb County, TN had a population of 19.9k people with a median age of 42.6 and a median household income of $45,728. Between 2020 and 2021 the population of DeKalb County, TN declined from 20,104 to 19,875, a −1.14% decrease and its median household income grew from $44,389 to $45,728, a 3.02% increase.
The 5 largest ethnic groups in DeKalb County, TN are White (Non-Hispanic) (87.4%), White (Hispanic) (3.84%), Other (Hispanic) (2.96%), Two+ (Non-Hispanic) (1.66%), and Black or African American (Non-Hispanic) (1.65%).
None of the households in DeKalb 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.
95.2% of the residents in DeKalb County, TN are U.S. citizens.
In 2021, the median property value in DeKalb County, TN was $158,500, and the homeownership rate was 69.2%.
Most people in DeKalb County, TN drove alone to work, and the average commute time was 27.9 minutes. The average car ownership in DeKalb County, TN was 2 cars per household.