
Middletown township
- County:
- Dauphin County
- County Seat:
- No
- Area (mi²):
- 13.469
- State:
- Pennsylvania
Middletown township is located in Dauphin County, Pennsylvania. Middletown township has a 2025 population of 17,428. Middletown township is currently growing at a rate of 1.61% annually and its population has increased by 6.64% since the most recent census, which recorded a population of 16,343 in 2020.
The average household income in Middletown township is $171,316 with a poverty rate of 4.36%. The median age in Middletown township is 48.5 years: 46.7 years for males, and 51.5 years for females.