| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| New Martinsville | 1 | 5,003 | 5,212 | -0.71% | 1,872 | 3 | City |
| Paden City | 2 | 2,347 | 2,531 | -1.43% | 2,774 | 1 | City |
| Pine Grove | 3 | 336 | 362 | -1.47% | 955 | 0 | Town |
| Hundred | 4 | 236 | 256 | -1.67% | 470 | 1 | Town |
| Smithfield | 5 | 95 | 101 | -1.04% | 325 | 0 | Town |
New Martinsville is the largest city in Wetzel County, with a population of 5,003.
Smithfield is the smallest city in Wetzel County, with a population of 95.
There are 5 cities in Wetzel County, West Virginia.