
Marshall township
- County:
- Allegheny County
- County Seat:
- No
- Area (mi²):
- 15.442
- State:
- Pennsylvania
Marshall township is located in Allegheny County, Pennsylvania. Marshall township has a 2025 population of 10,083. Marshall township is currently declining at a rate of -0.28% annually and its population has decreased by -0.63% since the most recent census, which recorded a population of 10,147 in 2020.
The average household income in Marshall township is $210,474 with a poverty rate of 3.44%. The median age in Marshall township is 43.1 years: 44.3 years for males, and 42.1 years for females.