Pennsylvania Senate, District 31

Pennsylvania State Senate District 31 includes parts of Cumberland County and York County. It is currently represented by Republican Dawn Keefer.

Pennsylvania's 31st State Senate district
Senator	Dawn Keefer R–Dillsburg
Population (2021)	259,208

District profile

The district includes the following areas:^[1]

Cumberland County

• Lemoyne
• Lower Allen Township
• Mechanicsburg
• New Cumberland
• Shiremanstown
• Upper Allen Township

York County

• Carroll Township
• Conewago Township
• Dillsburg
• Dover
• Dover Township
• East Manchester Township
• Fairview Township
• Franklin Township
• Franklintown
• Goldsboro
• Lewisberry
• Manchester
• Manchester Township
• Monaghan Township
• Mount Wolf
• Newberry Township
• Warrington Township
• Washington Township
• Wellsville
• West Manchester Township
• West York
• York
• York Haven

Senators

Representative	Party	Years	District home	Note	Counties
George N. Wade	Republican	1941–1974		Died January 9, 1974[2]	Cumberland, Juniata, Mifflin, Perry[3]
		1967–1972			Adams, Cumberland, Juniata, Perry, York (part)[3]
		1973–1974			Cumberland (part), York (part)[3]
Robert L. Myers III	Democratic	1974–1976		Seated June 11, 1974 to fill vacancy.[4]	Cumberland (part), York (part)[5]
John D. Hopper	Republican	1977–1992			Cumberland (part), York (part)[6]
Harold F. Mowrey, Jr.	Republican	1993–2004			Cumberland (part), Perry (part), York (part)[5]
		2003–2004			Cumberland (part), York (part)[7]
Patricia H. Vance	Republican	2005–2017			Cumberland (part), York (part)[7][8]
Mike Regan	Republican	2017–2024			Cumberland (part), York (part)[8]
Dawn Keefer	Republican	2025 – present	Dillsburg

Recent election results

PA Senate election, 2024:
Pennsylvania Senate, District 31

Party		Candidate	Votes	%
	Republican	Dawn Keefer	80,963	60.84
	Democratic	Mark Temons	52,109	39.16
Total votes			133,072	100.00
	Republican hold

PA Senate election, 2020:
Pennsylvania Senate, District 31^[9]

Party		Candidate	Votes	%
	Republican	Mike Regan (incumbent)	95,228	60.52
	Democratic	Shanna Danielson	62,123	39.48
Total votes			157,351	100.00
	Republican hold

PA Senate election, 2016:
Pennsylvania Senate, District 31^[10]

Party		Candidate	Votes	%
	Republican	Mike Regan	87,269	64.61
	Democratic	John Bosha	38,478	28.49
	Independent	Kenneth Gehosky	9,331	6.91
Total votes			135,078	100.00
	Republican hold

PA Senate election, 2012:
Pennsylvania Senate, District 31^[11]

Party		Candidate	Votes	%
	Republican	Patricia H. Vance (incumbent)	Unopposed
Total votes			123,096	100.00
	Republican hold

PA Senate election, 2008:
Pennsylvania Senate, District 31^[12]

Party		Candidate	Votes	%
	Republican	Patricia H. Vance (incumbent)	92,959	71.31
	Democratic	Susan Kiskis	37,406	28.69
Total votes			130,365	100.00
	Republican hold