Mahaffey
- County:
- Clearfield County
- County Seat:
- No
- Area (mi²):
- 0.428
- State:
- Pennsylvania
Mahaffey is a borough located in Clearfield County, Pennsylvania. Mahaffey has a 2026 population of 313. Mahaffey is currently declining at a rate of -0.32% annually and its population has decreased by -2.49% since the most recent census, which recorded a population of 321 in 2020.
The median household income in Mahaffey is $62,188 with a poverty rate of 15.64%. The median age in Mahaffey is 57.5 years: 53 years for males, and 58.3 years for females. For every 100 females there are 94.9 males.