Casstown
- County:
- Miami County
- County Seat:
- No
- Area (mi²):
- 0.097
- State:
- Ohio
Casstown is a village located in Miami County, Ohio. Casstown has a 2026 population of 276. Casstown is currently growing at a rate of 0.73% annually and its population has increased by 2.6% since the most recent census, which recorded a population of 269 in 2020.
The median household income in Casstown is $51,250 with a poverty rate of 6.56%. The median age in Casstown is 35.8 years: 37.8 years for males, and 35.3 years for females. For every 100 females there are 123.3 males.