Mifflin township
- County:
- Juniata County
- County Seat:
- No
- Area (mi²):
- 27.716
- State:
- Pennsylvania
Mifflin township is located in Juniata County, Pennsylvania. Mifflin township has a 2026 population of 1,088. Mifflin township is currently declining at a rate of -0.09% annually and its population has decreased by -0.37% since the most recent census, which recorded a population of 1,092 in 2020.
The median household income in Mifflin township is $65,865 with a poverty rate of 10.32%. The median age in Mifflin township is 50.6 years: 46.7 years for males, and 52.5 years for females. For every 100 females there are 108.7 males.