In 2020, Johnson County, TN had a population of 17.8k people with a median age of 46.1 and a median household income of $38,090. Between 2019 and 2020 the population of Johnson County, TN grew from 17,753 to 17,755, a 0.0113% increase and its median household income grew from $36,004 to $38,090, a 5.79% increase.
The 5 largest ethnic groups in Johnson County, TN are White (Non-Hispanic) (92.4%), Black or African American (Non-Hispanic) (3.13%), Two+ (Non-Hispanic) (1.35%), White (Hispanic) (1.01%), and Two+ (Hispanic) (0.901%).
None of the households in Johnson 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.
98.7% of the residents in Johnson County, TN are U.S. citizens.
In 2020, the median property value in Johnson County, TN was $133,700, and the homeownership rate was 75.5%. Most people in Johnson County, TN drove alone to work, and the average commute time was 25.7 minutes. The average car ownership in Johnson County, TN was 2 cars per household.