| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lewisburg | 1 | 3,681 | 3,920 | -1.07% | 968 | 4 | City |
| White Sulphur Springs | 2 | 2,117 | 2,219 | -0.75% | 1,130 | 2 | City |
| Ronceverte | 3 | 1,477 | 1,568 | -1.01% | 867 | 2 | City |
| Rainelle | 4 | 1,169 | 1,237 | -0.93% | 1,050 | 1 | Town |
| Rupert | 5 | 811 | 872 | -1.34% | 1,057 | 1 | Town |
| Quinwood | 6 | 201 | 220 | -1.47% | 581 | 0 | Town |
| Falling Spring | 7 | 163 | 171 | -1.21% | 317 | 1 | Town |
Lewisburg is the largest city in Greenbrier County, with a population of 3,681.
Falling Spring is the smallest city in Greenbrier County, with a population of 163.
There are 7 cities in Greenbrier County, West Virginia.