
Washington Boro
- County:
- Lancaster County
- County Seat:
- No
- Area (mi²):
- 1.927
- State:
- Pennsylvania
Washington Boro is a CDP located in Lancaster County, Pennsylvania. Washington Boro has a 2025 population of 684. Washington Boro is currently declining at a rate of -0.44% annually and its population has decreased by -22.36% since the most recent census, which recorded a population of 881 in 2020.
The average household income in Washington Boro is $120,267 with a poverty rate of 6.56%. The median age in Washington Boro is 34.9 years: 28.9 years for males, and 38.2 years for females.