
Washington township
- County:
- Guernsey County
- County Seat:
- No
- Area (mi²):
- 24.65
- State:
- Ohio
Washington township is located in Guernsey County, Ohio. Washington township has a 2025 population of 458. Washington township is currently declining at a rate of 0% annually and its population has decreased by -1.29% since the most recent census, which recorded a population of 464 in 2020.
The average household income in Washington township is $67,283 with a poverty rate of 29.72%. The median age in Washington township is 45.3 years: 49.2 years for males, and 28.6 years for females.