7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lewisburg | 1 | 3,687 | 3,920 | -1.05% | 969 | 4 | City |
| White Sulphur Springs | 2 | 2,122 | 2,218 | -0.75% | 1,133 | 2 | City |
| Ronceverte | 3 | 1,479 | 1,571 | -1% | 868 | 2 | City |
| Rainelle | 4 | 1,167 | 1,236 | -0.93% | 1,049 | 1 | Town |
| Rupert | 5 | 815 | 872 | -1.09% | 1,063 | 1 | Town |
| Quinwood | 6 | 200 | 220 | -1.48% | 578 | 0 | Town |
| Falling Spring | 7 | 163 | 171 | -0.61% | 317 | 1 | Town |
Lewisburg is the largest city in Greenbrier County, with a population of 3,687.
Falling Spring is the smallest city in Greenbrier County, with a population of 163.
There are 7 cities in Greenbrier County, West Virginia.