5 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pearisburg | 1 | 2,829 | 2,912 | -0.49% | 886 | 3 | Town |
| Narrows | 2 | 2,015 | 2,090 | -0.59% | 1,590 | 1 | Town |
| Pembroke | 3 | 1,128 | 1,149 | -0.27% | 1,039 | 1 | Town |
| Rich Creek | 4 | 727 | 748 | -0.41% | 888 | 1 | Town |
| Glen Lyn | 5 | 92 | 95 | 0% | 151 | 1 | Town |
Pearisburg is the largest city in Giles County, with a population of 2,829.
Glen Lyn is the smallest city in Giles County, with a population of 92.
There are 5 cities in Giles County, Virginia.