
Washington
- County:
- Washington County
- County Seat:
- Yes
- Area (mi²):
- 2.929
- State:
- Pennsylvania
Washington is a city located in Washington County, Pennsylvania. Washington has a 2025 population of 13,607. It is also the county seat of Washington County. Washington is currently growing at a rate of 0.66% annually and its population has increased by 3.38% since the most recent census, which recorded a population of 13,162 in 2020.
The average household income in Washington is $63,633 with a poverty rate of 16.15%. The median age in Washington is 38.5 years: 33.8 years for males, and 43.8 years for females.