| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Parkersburg | 1 | 28,384 | 29,628 | -0.73% | 2,409 | 12 | City |
| Vienna | 2 | 10,259 | 10,627 | -0.6% | 2,585 | 4 | City |
| Williamstown | 3 | 2,910 | 2,988 | -0.41% | 1,952 | 1 | City |
| North Hills | 4 | 799 | 833 | -0.75% | 1,412 | 1 | Town |
Parkersburg is the largest city in Wood County, with a population of 28,384.
North Hills is the smallest city in Wood County, with a population of 799.
There are 4 cities in Wood County, West Virginia.