Pennsylvania House of Representatives, District 187

Pennsylvania's 187th State House of Representatives district
Representative	Gary Day R – Heidelberg Township, Lehigh County
Demographics	92.0%  White 2.0%  Black 3.5%  Hispanic
Population (2011)  • Citizens of voting age	63,903 49,608

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: ^[1]

• 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

PA House election, 2010:
Pennsylvania House, District 187

Party		Candidate	Votes	%	±%
	Republican	Gary Day	14,725	70.01
	Democratic	Richard Stine	6,308	29.99
Margin of victory			8,417	40.02
Turnout			21,033	100.0

PA House election, 2012:
Pennsylvania House, District 187

Party		Candidate	Votes	%	±%
	Republican	Gary Day	19,015	63.12	6.89
	Democratic	Joseph Haas	11,111	36.88
Margin of victory			7,904	26.24	13.78
Turnout			30,126	100.0

PA House election, 2014:
Pennsylvania House, District 187

Party		Candidate	Votes	%	±%
	Republican	Gary Day	13,045	100.0
Margin of victory
Turnout			13,045	100.0

PA House election, 2016:
Pennsylvania House, District 187

Party		Candidate	Votes	%	±%
	Republican	Gary Day	29,870	100.0
Margin of victory
Turnout			29,870	100

PA House election, 2018:
Pennsylvania House, District 187

Party		Candidate	Votes	%	±%
	Republican	Gary Day	16,018	59.3
	Democratic	Michael Blichar Jr.	10,972	40.7
Margin of victory			TBD	TBD
Turnout			26,990	TBD

References

• Cox, Harold (2004). "Legislatures - 1776-2004". Wilkes University Election Statistics Project . Wilkes University.

1. "2022 Pennsylvania House of Representatives Districts". Pennsylvania Department of State . Retrieved January 13, 2023.

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