
Upper Allen township
- County:
- Cumberland County
- County Seat:
- No
- Area (mi²):
- 13.247
- State:
- Pennsylvania
Upper Allen township is located in Cumberland County, Pennsylvania. Upper Allen township has a 2025 population of 24,664. Upper Allen township is currently growing at a rate of 1.32% annually and its population has increased by 6.03% since the most recent census, which recorded a population of 23,261 in 2020.
The average household income in Upper Allen township is $122,757 with a poverty rate of 5.03%. The median age in Upper Allen township is 38 years: 37.5 years for males, and 38.5 years for females.