In 2018, Grainger County, TN had a population of 23k people with a median age of 44.6 and a median household income of $42,997. Between 2017 and 2018 the population of Grainger County, TN grew from 22,942 to 23,013, a 0.309% increase and its median household income grew from $40,088 to $42,997, a 7.26% increase.
The 5 largest ethnic groups in Grainger County, TN are White (Non-Hispanic) (94.6%), White (Hispanic) (3.22%), Two+ (Non-Hispanic) (1.1%), Black or African American (Non-Hispanic) (0.408%), and American Indian & Alaska Native (Non-Hispanic) (0.382%). 0% of the households in Grainger County, TN speak a non-English language at home as their primary language, and 98.3% of the residents in Grainger County, TN are U.S. citizens.
In 2018, the median property value in Grainger County, TN was $113,500, and the homeownership rate was 78.4%. Most people in Grainger County, TN drove alone to work, and the average commute time was 31 minutes. The average car ownership in Grainger County, TN was 2 cars per household.