
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 2025 population of 274. Casstown is currently growing at a rate of 0.74% annually and its population has increased by 3.01% since the most recent census, which recorded a population of 266 in 2020.
The average household income in Casstown is $66,521 with a poverty rate of 0%. The median age in Casstown is 29.3 years: 31 years for males, and 28.8 years for females.