In 2017, Grundy County, TN had a population of 13.4k people with a median age of 43 and a median household income of $31,919. Between 2016 and 2017 the population of Grundy County, TN declined from 13,494 to 13,359, a -1% decrease and its median household income grew from $28,467 to $31,919, a 12.1% increase.
The population of Grundy County, TN is 81.2% White Alone, 16.7% Two or More Races, and 1.17% Hispanic or Latino. 0.916% of the people in Grundy County, TN speak a non-English language, and 99.5% are U.S. citizens.
The median property value in Grundy County, TN is $82,400, and the homeownership rate is 75%. Most people in Grundy County, TN commute by Drove Alone, and the average commute time is 26.4 minutes. The average car ownership in Grundy County, TN is 2 cars per household.