9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Follansbee | 1 | 2,595 | 2,837 | -1.82% | 1,408 | 1.84 | City |
| Bethlehem | 2 | 2,521 | 2,601 | -0.63% | 711 | 3.54 | Village |
| Hooverson Heights | 3 | 2,264 | 2,221 | -0.96% | 1,001 | 2.26 | CDP |
| Wellsburg | 4 | 2,209 | 2,441 | -2.04% | 2,277 | 0.97 | City |
| Bethany | 5 | 743 | 775 | -0.8% | 1,014 | 0.73 | Town |
| Beech Bottom | 6 | 504 | 554 | -1.95% | 434 | 1.16 | Village |
| Clearview | 7 | 447 | 476 | -1.32% | 1,106 | 0.40 | Village |
| Windsor Heights | 8 | 325 | 359 | -2.11% | 2,273 | 0.14 | Village |
| Colliers | 9 | 15 | 35 | 7.14% | 69 | 0.22 | CDP |
Follansbee is the largest city in Brooke County, with a population of 2,595.
Colliers is the smallest city in Brooke County.
There are 9 cities in Brooke County, West Virginia.