In 2019, Sullivan County, TN had a population of 157k people with a median age of 45.1 and a median household income of $46,684. Between 2018 and 2019 the population of Sullivan County, TN grew from 156,734 to 157,050, a 0.202% increase and its median household income grew from $43,442 to $46,684, a 7.46% increase.
The 5 largest ethnic groups in Sullivan County, TN are White (Non-Hispanic) (93.4%), Two+ (Non-Hispanic) (2.08%), Black or African American (Non-Hispanic) (1.84%), White (Hispanic) (0.953%), and Other (Hispanic) (0.616%). 0% of the households in Sullivan County, TN speak a non-English language at home as their primary language, and 99.3% of the residents in Sullivan County, TN are U.S. citizens.
In 2019, the median property value in Sullivan County, TN was $141,300, and the homeownership rate was 71.8%. Most people in Sullivan County, TN drove alone to work, and the average commute time was 20.6 minutes. The average car ownership in Sullivan County, TN was 2 cars per household.