
Cassville
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 1.039
- State:
- Wisconsin
Cassville is a village located in Grant County, Wisconsin. Cassville has a 2025 population of 767. Cassville is currently declining at a rate of -0.26% annually and its population has decreased by -1.16% since the most recent census, which recorded a population of 776 in 2020.
The average household income in Cassville is $70,275 with a poverty rate of 11.11%. The median age in Cassville is 52.4 years: 46.6 years for males, and 57.6 years for females.