Granville township
- County:
- Mifflin County
- County Seat:
- No
- Area (mi²):
- 40.229
- State:
- Pennsylvania
Granville township is located in Mifflin County, Pennsylvania. Granville township has a 2026 population of 4,577. Granville township is currently declining at a rate of -0.09% annually and its population has decreased by -1.08% since the most recent census, which recorded a population of 4,627 in 2020.
The median household income in Granville township is $76,250 with a poverty rate of 6.4%. The median age in Granville township is 45.9 years: 49.8 years for males, and 42.6 years for females. For every 100 females there are 84.2 males.