
Cynthian township
- County:
- Shelby County
- County Seat:
- No
- Area (mi²):
- 31.072
- State:
- Ohio
Cynthian township is located in Shelby County, Ohio. Cynthian township has a 2025 population of 1,992. Cynthian township is currently growing at a rate of 0.1% annually but its population has decreased by -0.5% since the most recent census, which recorded a population of 2,002 in 2020.
The average household income in Cynthian township is $87,019 with a poverty rate of 27.17%. The median age in Cynthian township is 35.3 years: 35.2 years for males, and 37.2 years for females.