
Cassville
- County:
- Monongalia County
- County Seat:
- No
- Area (mi²):
- 3.546
- State:
- West Virginia
Cassville is a CDP located in Monongalia County, West Virginia. Cassville has a 2025 population of 1,787. Cassville is currently growing at a rate of 4.2% annually and its population has increased by 71.5% since the most recent census, which recorded a population of 1,042 in 2020.
The average household income in Cassville is $124,022 with a poverty rate of 0%. The median age in Cassville is 41.3 years: 39.9 years for males, and 46.4 years for females.