Greenbrier is a somewhat small town located in the state of Tennessee. With a population of 6,972 people and four associated neighborhoods, Greenbrier is the 89th largest community in Tennessee.

Greenbrier real estate is some of the most expensive in Tennessee, although Greenbrier house values don't compare to the most expensive real estate in the U.S.

Also of interest is that Greenbrier has more people living here who work in computers and math than 95% of the places in the US.

Telecommuters are a relatively large percentage of the workforce: 13.25% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

One downside of living in Greenbrier is that it can take a long time to commute to work. In Greenbrier, the average commute to work is 33.38 minutes, which is quite a bit higher than the national average.

Being a small town, Greenbrier does not have a public transit system used by locals to get to and from work.

The population of Greenbrier overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in Greenbrier, 22.54% have at least a bachelor's degree.

The per capita income in Greenbrier in 2022 was $31,774, which is upper middle income relative to Tennessee, and middle income relative to the rest of the US. This equates to an annual income of $127,096 for a family of four. However, Greenbrier contains both very wealthy and poor people as well.

The people who call Greenbrier home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Greenbrier residents report their race to be White, followed by Asian. Important ancestries of people in Greenbrier include German, English, Irish, European, and Russian.

The most common language spoken in Greenbrier is English. Other important languages spoken here include Korean and Spanish.