
Kennywood Park · National Register of Historic Places
West Mifflin’s story
82 years in pictures
Kennywood Park is a National Historic Landmark, the National Register’s top tier.
Census counts: 8,694 in 1940, a peak of 28,070 in 1970, 19,589 in 2020. The archive holds 12 old photos and papers going back to 1973 and 5 maps from 1904 on.
1 place on the National Register of Historic Places.
- 1944West Mifflin is settled
Explore the history →
Getting set upMoving to West Mifflin: who provides what
Who provides power, water and the rest in West Mifflin, and how to reach them.
The full setup list →EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.