13 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kingwood | 1 | 2,946 | 2,978 | -0.24% | 1,212 | 2 | City |
| Terra Alta | 2 | 1,410 | 1,422 | -0.21% | 1,190 | 1 | Town |
| Arthurdale | 3 | 1,196 | 1,368 | 7.17% | 241 | 5 | CDP |
| Reedsville | 4 | 525 | 532 | -0.38% | 806 | 1 | Town |
| Masontown | 5 | 506 | 511 | -0.2% | 1,820 | 0 | Town |
| Rowlesburg | 6 | 431 | 441 | -0.46% | 426 | 1 | Town |
| Tunnelton | 7 | 292 | 292 | 0% | 872 | 0 | Town |
| Aurora | 8 | 262 | 200 | 1.55% | 124 | 2 | CDP |
| Newburg | 9 | 257 | 262 | -0.39% | 327 | 1 | Town |
| Albright | 10 | 245 | 248 | -0.41% | 1,056 | 0 | Town |
| Brandonville | 11 | 127 | 129 | -0.78% | 330 | 0 | Town |
| St. George | 12 | 104 | 128 | 7.22% | 98 | 1 | CDP |
| Bruceton Mills | 13 | 63 | 63 | 0% | 1,145 | 0 | Town |
Kingwood is the largest city in Preston County, with a population of 2,946.
Bruceton Mills is the smallest city in Preston County, with a population of 63.
There are 13 cities in Preston County, West Virginia.