
Blaine township
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 11.883
- State:
- Pennsylvania
Blaine township is located in Washington County, Pennsylvania. Blaine township has a 2025 population of 610. Blaine township is currently declining at a rate of -0.49% annually and its population has decreased by -1.61% since the most recent census, which recorded a population of 620 in 2020.
The average household income in Blaine township is $92,843 with a poverty rate of 4.53%. The median age in Blaine township is 51.4 years: 52.5 years for males, and 45.7 years for females.