3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Weirton | 1 | 17,903 | 19,110 | -1.33% | 992 | 18.05 | City |
| Chester | 2 | 2,055 | 2,200 | -1.39% | 2,057 | 1 | City |
| New Cumberland | 3 | 960 | 1,019 | -1.23% | 787 | 1.22 | City |
Weirton is the largest city in Hancock County, with a population of 17,903.
New Cumberland is the smallest city in Hancock County.
There are 3 cities in Hancock County, West Virginia.