
Colerain township
- County:
- Belmont County
- County Seat:
- No
- Area (mi²):
- 42.741
- State:
- Ohio
Colerain township is located in Belmont County, Ohio. Colerain township has a 2025 population of 58,698. Colerain township is currently growing at a rate of 0.08% annually but its population has decreased by -0.9% since the most recent census, which recorded a population of 59,232 in 2020.
The average household income in Colerain township is $94,273 with a poverty rate of 10.68%. The median age in Colerain township is 39.6 years: 37.9 years for males, and 40.6 years for females.