4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Weirton | 1 | 18,117 | 19,115 | -1.09% | 1,003 | 18 | City |
| Chester | 2 | 2,081 | 2,199 | -1.14% | 2,083 | 1 | City |
| Newell | 3 | 1,067 | 1,274 | -1.93% | 1,304 | 1 | CDP |
| New Cumberland | 4 | 964 | 1,014 | -1.03% | 790 | 1 | City |
Weirton is the largest city in Hancock County, with a population of 18,117.
New Cumberland is the smallest city in Hancock County, with a population of 964.
There are 4 cities in Hancock County, West Virginia.