
Williamsburg
- County:
- Blair County
- County Seat:
- No
- Area (mi²):
- 0.367
- State:
- Pennsylvania
Williamsburg is a borough located in Blair County, Pennsylvania. Williamsburg has a 2025 population of 1,177. Williamsburg is currently declining at a rate of -0.84% annually and its population has decreased by -4.23% since the most recent census, which recorded a population of 1,229 in 2020.
The average household income in Williamsburg is $63,027 with a poverty rate of 15.66%. The median age in Williamsburg is 39.6 years: 36.9 years for males, and 48.3 years for females.