
Middlesex township
- County:
- Cumberland County
- County Seat:
- No
- Area (mi²):
- 25.692
- State:
- Pennsylvania
Middlesex township is located in Cumberland County, Pennsylvania. Middlesex township has a 2025 population of 7,219. Middlesex township is currently growing at a rate of 0.24% annually and its population has increased by 2.37% since the most recent census, which recorded a population of 7,052 in 2020.
The average household income in Middlesex township is $90,547 with a poverty rate of 8.79%. The median age in Middlesex township is 47.1 years: 46.3 years for males, and 47.8 years for females.