11 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 |
| Blennerhassett | 3 | 3,683 | 3,974 | 1.1% | 740 | 5 | CDP |
| Williamstown | 4 | 2,940 | 2,992 | -0.37% | 1,972 | 1 | City |
| Mineralwells | 5 | 2,699 | 2,163 | 1.89% | 1,757 | 2 | CDP |
| Boaz | 6 | 1,426 | 1,645 | 0.64% | 398 | 4 | CDP |
| Lubeck | 7 | 1,285 | 1,104 | -0.08% | 302 | 4 | CDP |
| Washington | 8 | 1,150 | 1,303 | -0.17% | 271 | 4 | CDP |
| North Hills | 9 | 806 | 833 | -0.74% | 1,424 | 1 | Town |
| Waverly | 10 | 504 | 687 | 1.61% | 333 | 2 | CDP |
| Kanawha | 11 | 360 | 594 | 7.14% | 411 | 1 | CDP |
Parkersburg is the largest city in Wood County, with a population of 28,624.
Kanawha is the smallest city in Wood County, with a population of 360.
There are 11 cities in Wood County, West Virginia.