
Mountville
- County:
- Lancaster County
- County Seat:
- No
- Area (mi²):
- 0.861
- State:
- Pennsylvania
Mountville is a borough located in Lancaster County, Pennsylvania. Mountville has a 2025 population of 2,977. Mountville is currently declining at a rate of -0.23% annually and its population has decreased by -1.16% since the most recent census, which recorded a population of 3,012 in 2020.
The average household income in Mountville is $104,019 with a poverty rate of 8.55%. The median age in Mountville is 43.5 years: 38.7 years for males, and 48.7 years for females.