
Middletown township
- County:
- Dauphin County
- County Seat:
- No
- Area (mi²):
- 28.904
- State:
- Pennsylvania
Middletown township is located in Dauphin County, Pennsylvania. Middletown township has a 2025 population of 276. Middletown township is currently declining at a rate of -0.36% annually and its population has decreased by -1.78% since the most recent census, which recorded a population of 281 in 2020.
The average household income in Middletown township is $72,843 with a poverty rate of 12.46%. The median age in Middletown township is 51.9 years: 58 years for males, and 49.2 years for females.