Elgin
- County:
- Erie County
- County Seat:
- No
- Area (mi²):
- 1.474
- State:
- Pennsylvania
Elgin is a borough located in Erie County, Pennsylvania. Elgin has a 2026 population of 199. Elgin is currently declining at a rate of -0.5% annually and its population has decreased by -2.45% since the most recent census, which recorded a population of 204 in 2020.