
Washington township
- County:
- Columbiana County
- County Seat:
- No
- Area (mi²):
- 22.042
- State:
- Ohio
Washington township is located in Columbiana County, Ohio. Washington township has a 2025 population of 1,934. Washington township is currently declining at a rate of -0.46% annually and its population has decreased by -2.81% since the most recent census, which recorded a population of 1,990 in 2020.
The average household income in Washington township is $58,114 with a poverty rate of 25.35%. The median age in Washington township is 50 years: 49.8 years for males, and 50.3 years for females.