Wormleysburg is a borough in Cumberland County, Pennsylvania, United States. The population was 3,070 at the 2010 census. It is part of the HarrisburgCarlisleMetropolitan Statistical Area. Wormleysburg is served by West Shore School District. Wormleysburg is home to Harsco Corporation. The John Wormley House was added to the National Register of Historic Places in 1976.