6 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Point Pleasant | 1 | 3,801 | 4,056 | -1.09% | 1,573 | 2 | City |
| New Haven | 2 | 1,387 | 1,467 | -0.93% | 1,260 | 1 | Town |
| Mason | 3 | 822 | 857 | -0.72% | 1,410 | 1 | Town |
| Hartford City | 4 | 495 | 507 | -0.4% | 400 | 1 | Town |
| Henderson | 5 | 219 | 228 | -0.45% | 524 | 0 | Town |
| Leon | 6 | 127 | 136 | -0.78% | 397 | 0 | Town |
Point Pleasant is the largest city in Mason County, with a population of 3,801.
Leon is the smallest city in Mason County, with a population of 127.
There are 6 cities in Mason County, West Virginia.