4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Parkersburg | 1 | 28,414 | 29,673 | -0.73% | 2,412 | 12 | City |
| Vienna | 2 | 10,290 | 10,638 | -0.56% | 2,593 | 4 | City |
| Williamstown | 3 | 2,930 | 2,992 | -0.34% | 1,965 | 1 | City |
| North Hills | 4 | 801 | 833 | -0.62% | 1,415 | 1 | Town |
Parkersburg is the largest city in Wood County, with a population of 28,414.
North Hills is the smallest city in Wood County, with a population of 801.
There are 4 cities in Wood County, West Virginia.