
Monroeville
- County:
- Allegheny County
- County Seat:
- No
- Area (mi²):
- 19.716
- State:
- Pennsylvania
Monroeville is a township located in Allegheny County, Pennsylvania. Monroeville has a 2025 population of 27,524. Monroeville is currently declining at a rate of -0.81% annually and its population has decreased by -3.93% since the most recent census, which recorded a population of 28,649 in 2020.
The average household income in Monroeville is $99,613 with a poverty rate of 9.81%. The median age in Monroeville is 43.8 years: 43.6 years for males, and 44 years for females.