The 187th Pennsylvania House of Representatives District is located in eastern Pennsylvania and has been represented since 2025 by Gary Day.
District profile The 187th Pennsylvania House of Representatives District is located in Lehigh County and includes the following areas:
Alburtis Macungie Heidelberg Township Lower Macungie Township Lynn Township Upper Macungie Township (Part, District 03, 07, and 08) Washington Township Weisenberg Township
Representatives Representative Party Years District home Note Prior to 1969, seats were apportioned by county. Norman S. Berson Democrat 1969 – 1982 District moved from Philadelphia County to Bucks & Lehigh Counties after 1982, adjusted to Berks & Lehigh after 1992 Paul W. Semmel Republican 1983 – 2006 Carl W. Mantz Republican 2007 – 2008 Gary Day Republican 2009 – 2022 Defeated in primary after 2022 redistricting Ryan Mackenzie Republican 2023 – 2024 Left to run for Congress Gary Day Republican 2025 – Present Incumbent
Recent election results
References
External links District map from the United States Census Bureau Pennsylvania House Legislative District Maps from the Pennsylvania Redistricting Commissio. Population Data for District 187 from the Pennsylvania Redistricting Commission