In 2017, Grainger County, TN had a population of 22.9k people with a median age of 44.2 and a median household income of $40,088. Between 2016 and 2017 the population of Grainger County, TN grew from 22,813 to 22,942, a 0.565% increase and its median household income grew from $37,522 to $40,088, a 6.84% increase.
The 5 largest ethnic groups in Grainger County, TN are White (Non-Hispanic) (94.9%), White (Hispanic) (3.03%), Two or More Races (Non-Hispanic) (1.12%), Black or African American (Non-Hispanic) (0.379%), and American Indian & Alaska Native (Non-Hispanic) (0.314%). N/A% of the people in Grainger County, TN speak a non-English language, and 98.4% are U.S. citizens.
The median property value in Grainger County, TN is $110,600, and the homeownership rate is 77.5%. Most people in Grainger County, TN commute by Drove Alone, and the average commute time is 31.4 minutes. The average car ownership in Grainger County, TN is 2 cars per household.