
Blanchester
- County:
- Clinton County
- County Seat:
- No
- Area (mi²):
- 4.088
- State:
- Ohio
Blanchester is a village located in Clinton County, Ohio. Blanchester has a 2025 population of 4,216. Blanchester is currently declining at a rate of -0.05% annually and its population has decreased by -0.28% since the most recent census, which recorded a population of 4,228 in 2020.
The average household income in Blanchester is $75,778 with a poverty rate of 18.7%. The median age in Blanchester is 36.3 years: 34.3 years for males, and 37.8 years for females.