5 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| New Martinsville | 1 | 4,955 | 5,204 | -0.82% | 1,854 | 3 | City |
| Paden City | 2 | 2,315 | 2,533 | -1.53% | 2,736 | 1 | City |
| Pine Grove | 3 | 330 | 360 | -1.49% | 938 | 0 | Town |
| Hundred | 4 | 234 | 257 | -1.68% | 466 | 1 | Town |
| Smithfield | 5 | 94 | 105 | -2.08% | 322 | 0 | Town |
New Martinsville is the largest city in Wetzel County, with a population of 4,955.
Smithfield is the smallest city in Wetzel County, with a population of 94.
There are 5 cities in Wetzel County, West Virginia.