4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Parkersburg | 1 | 28,624 | 29,673 | -0.73% | 2,429 | 12 | City |
| Vienna | 2 | 10,348 | 10,638 | -0.56% | 2,608 | 4 | City |
| Williamstown | 3 | 2,940 | 2,992 | -0.37% | 1,972 | 1 | City |
| North Hills | 4 | 806 | 833 | -0.74% | 1,424 | 1 | Town |
Parkersburg is the largest city in Wood County, with a population of 28,624.
North Hills is the smallest city in Wood County, with a population of 806.
There are 4 cities in Wood County, West Virginia.