
Washington township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 14.069
- State:
- Pennsylvania
Washington township is located in Washington County, Pennsylvania. Washington township has a 2025 population of 4,541. Washington township is currently growing at a rate of 0.22% annually and its population has increased by 1.72% since the most recent census, which recorded a population of 4,464 in 2020.
The average household income in Washington township is $118,493 with a poverty rate of 1.57%. The median age in Washington township is 55.5 years: 56 years for males, and 54.4 years for females.