Greenbrier

County:: Robertson County
County Seat:: No
Area (mi²):: 7.261
State:: Tennessee

Greenbrier is a town located in Robertson County, Tennessee. Greenbrier has a 2025 population of 6,947. Greenbrier is currently declining at a rate of -0.03% annually and its population has decreased by -0.14% since the most recent census, which recorded a population of 6,957 in 2020.

The average household income in Greenbrier is $91,221 with a poverty rate of 5.3%. The median age in Greenbrier is 37.2 years: 32.5 years for males, and 40.3 years for females.

Demographics

The racial composition of Greenbrier includes 95.36% White, and smaller percentages for Two or more races, Asian, other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	6,637	95.36%
Two or more races	123	1.77%
Asian	102	1.47%
Other race	50	0.72%
Black or African American	41	0.59%
Native American	7	0.1%
Native Hawaiian or Pacific Islander	0	0%

Greenbrier Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Greenbrier's average per capita income is $46,980. Household income levels show a median of $82,308. The poverty rate stands at 5.3%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$103,100	-
Families	$96,348	$102,168
Households	$82,308	$91,221
Non Families	$36,719	$55,432

$46,980

Average Income

$82,308

Median Household Income

5.3%

Poverty Rate