West Middletown
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 0.406
- State:
- Pennsylvania
West Middletown is a borough located in Washington County, Pennsylvania. West Middletown has a 2026 population of 108. West Middletown is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 108 in 2020.