Allison
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 0.673
- State:
- Pennsylvania
Allison is a CDP located in Fayette County, Pennsylvania Pennsylvania. Unfortunately, the data for this location is currently limited or unavailable.
The median age in Allison is 53.3 years: 54 years for males, and 39.6 years for females. For every 100 females there are 67.5 males.