Washington Flag

Washington

County Seat:
Yes
Area (mi²):
2.929
State:
Pennsylvania

Washington is a city located in Washington County, Pennsylvania. Washington has a 2026 population of 13,334. It is also the county seat of Washington County. Washington is currently declining at a rate of -0.38% annually but its population has increased by 1.46% since the most recent census, which recorded a population of 13,142 in 2020.

13.3K
Total Population
4,552
Density (mi²)
-51 -0.38%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)