
Washington township
- County:
- Montgomery County
- County Seat:
- No
- Area (mi²):
- 31.128
- State:
- Ohio
Washington township is located in Montgomery County, Ohio. Washington township has a 2025 population of 64,274. Washington township is currently growing at a rate of 1% annually and its population has increased by 4.24% since the most recent census, which recorded a population of 61,662 in 2020.
The average household income in Washington township is $127,847 with a poverty rate of 6.07%. The median age in Washington township is 45 years: 42.8 years for males, and 47.7 years for females.