
Twin township
- County:
- Preble County
- County Seat:
- No
- Area (mi²):
- 34.89
- State:
- Ohio
Twin township is located in Preble County, Ohio. Twin township has a 2025 population of 2,631. Twin township is currently declining at a rate of -0.08% annually and its population has decreased by -1.35% since the most recent census, which recorded a population of 2,667 in 2020.
The average household income in Twin township is $110,410 with a poverty rate of 12.91%. The median age in Twin township is 37.8 years: 36.5 years for males, and 39.3 years for females.