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 2026 population of 614. Blaine township is currently declining at a rate of -0.49% annually and its population has decreased by -0.97% since the most recent census, which recorded a population of 620 in 2020.
The median household income in Blaine township is $70,000 with a poverty rate of 5.05%. The median age in Blaine township is 51.2 years: 51.5 years for males, and 48.5 years for females. For every 100 females there are 95.3 males.