
Glenfield
- County:
- Allegheny County
- County Seat:
- No
- Area (mi²):
- 0.82
- State:
- Pennsylvania
Glenfield is a borough located in Allegheny County, Pennsylvania. Glenfield has a 2025 population of 196. Glenfield is currently declining at a rate of -1.51% annually and its population has decreased by -6.67% since the most recent census, which recorded a population of 210 in 2020.
The average household income in Glenfield is $113,857 with a poverty rate of 1.4%. The median age in Glenfield is 39.5 years: 38.8 years for males, and 40.6 years for females.