
Washington township
- County:
- Defiance County
- County Seat:
- No
- Area (mi²):
- 35.775
- State:
- Ohio
Washington township is located in Defiance County, Ohio. Washington township has a 2025 population of 1,550. Washington township is currently growing at a rate of 0.45% annually and its population has increased by 0.85% since the most recent census, which recorded a population of 1,537 in 2020.
The average household income in Washington township is $103,088 with a poverty rate of 9.14%. The median age in Washington township is 41.5 years: 36.5 years for males, and 42.7 years for females.