
Millvale
- County:
- Allegheny County
- County Seat:
- No
- Area (mi²):
- 0.619
- State:
- Pennsylvania
Millvale is a borough located in Allegheny County, Pennsylvania. Millvale has a 2025 population of 3,171. Millvale is currently declining at a rate of -1.21% annually and its population has decreased by -5.85% since the most recent census, which recorded a population of 3,368 in 2020.
The average household income in Millvale is $71,192 with a poverty rate of 16.53%. The median age in Millvale is 40.1 years: 40.2 years for males, and 40 years for females.