6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Point Pleasant | 1 | 3,843 | 4,056 | -1.11% | 1,591 | 2 | City |
| New Haven | 2 | 1,400 | 1,467 | -0.99% | 1,272 | 1 | Town |
| Mason | 3 | 828 | 857 | -0.72% | 1,420 | 1 | Town |
| Hartford City | 4 | 497 | 507 | -0.4% | 402 | 1 | Town |
| Henderson | 5 | 220 | 228 | -0.9% | 526 | 0 | Town |
| Leon | 6 | 128 | 136 | -1.54% | 400 | 0 | Town |
Point Pleasant is the largest city in Mason County, with a population of 3,843.
Leon is the smallest city in Mason County, with a population of 128.
There are 6 cities in Mason County, West Virginia.