
Washington township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 17.844
- State:
- Pennsylvania
Washington township is located in Washington County, Pennsylvania. Washington township has a 2025 population of 5,155. Washington township is currently growing at a rate of 0.04% annually and its population has increased by 0.19% since the most recent census, which recorded a population of 5,145 in 2020.
The average household income in Washington township is $145,897 with a poverty rate of 2.46%. The median age in Washington township is 42.7 years: 43.3 years for males, and 41.7 years for females.