
Colerain township
- County:
- Belmont County
- County Seat:
- No
- Area (mi²):
- 35.366
- State:
- Ohio
Colerain township is located in Belmont County, Ohio. Colerain township has a 2025 population of 1,997. Colerain township is currently growing at a rate of 0.25% annually and its population has increased by 0.3% since the most recent census, which recorded a population of 1,991 in 2020.
The average household income in Colerain township is $97,131 with a poverty rate of 17.39%. The median age in Colerain township is 44 years: 41.3 years for males, and 49.4 years for females.