
Washington township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 45.176
- State:
- Pennsylvania
Washington township is located in Washington County, Pennsylvania. Washington township has a 2025 population of 4,343. Washington township is currently declining at a rate of -0.37% annually and its population has decreased by -1.12% since the most recent census, which recorded a population of 4,392 in 2020.
The average household income in Washington township is $107,719 with a poverty rate of 8.62%. The median age in Washington township is 41.3 years: 40.8 years for males, and 43.2 years for females.