
Greenbrier
- County:
- Faulkner County
- County Seat:
- No
- Area (mi²):
- 7.935
- State:
- Arkansas
Greenbrier is a city located in Faulkner County, Arkansas. Greenbrier has a 2025 population of 6,454. Greenbrier is currently growing at a rate of 2.25% annually and its population has increased by 12.36% since the most recent census, which recorded a population of 5,744 in 2020.
The average household income in Greenbrier is $68,756 with a poverty rate of 7.31%. The median age in Greenbrier is 32 years: 31.6 years for males, and 32.2 years for females.