Greenbrier is located in Tennessee. Greenbrier, Tennessee has a population of 7,135. Greenbrier is more family-centric than the surrounding county with 35% households with children. The county percentage for households with children is 32%.
The median household income in Greenbrier, Tennessee is $56,288. The median household income for the surrounding county is $61,623 compared to the national median of $61,963. The median age of people living in Greenbrier is 38.9 years.
The average high temperature in July is 88.8 degrees, with an average low temperature in January of 24 degrees. The annual precipitation is 50.71.