
Blaine
- County:
- Belmont County
- County Seat:
- No
- Area (mi²):
- 0.707
- State:
- Ohio
Blaine is a CDP located in Belmont County, Ohio. Blaine has a 2025 population of 562. Blaine is currently growing at a rate of 7.05% annually and its population has increased by 24.61% since the most recent census, which recorded a population of 451 in 2020.
The average household income in Blaine is $70,360 with a poverty rate of 0%. The median age in Blaine is 55.4 years: 56.6 years for males, and 53.4 years for females.