Pennsylvania State Senate District 31

Next vote Tue, Nov 3, 2026 · Represented by Dawn Keefer Republican · Member list as of Oct 28

This seat has no race on the official 2026 list.

Last election: Dawn Keefer (Republican) won by 21.7 points, 2024
Earlier results: Michael Regan (Republican) won by 21.0 points, 2020, older linesMichael R. Regan (Republican) won by 36.1 points, 2016, older linesAll 15 elections

Past results

Votes for listed candidates: 133,072
Election day: November 5, 2024
District map: Same as today

Pennsylvania Senate District 31, 1968 to 2024, 2024, every candidate
Candidate	Party	Votes and share	Share
RepublicanDawn KeeferWonName as filed: Dawn Wetzel Keefer	Republican	80,96360.8%	60.8%
DemocraticMark Joseph Temons	Democratic	52,10939.2%	39.2%

Votes for listed candidates: 157,351
Election day: November 3, 2020
District map: Older district map (2014 to 2021)

Pennsylvania Senate District 31, 1968 to 2024, 2020, every candidate
Candidate	Party	Votes and share	Share
RepublicanMichael ReganWon(incumbent)	Republican	95,22860.5%	60.5%
DemocraticShanna Danielson	Democratic	62,12339.5%	39.5%

Votes for listed candidates: 135,078
Election day: November 8, 2016
District map: Older district map (2014 to 2021)

Pennsylvania Senate District 31, 1968 to 2024, 2016, every candidate
Candidate	Party	Votes and share	Share
RepublicanMichael R. ReganWon	Republican	87,26964.6%	64.6%
DemocraticJohn Bosha	Democratic	38,47828.5%	28.5%
IndependentKenneth Gehosky	Independent	9,3316.9%	6.9%

Pennsylvania Senate District 31, 1968 to 2024, 2012, every candidate
Candidate	Party	Votes and share	Share
RepublicanPatricia H. VanceWon(incumbent)	Republican	123,096100.0%	100.0%

2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
1968 to 2020: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source

Only part of this chamber is up in a given cycle. Which districts vote on which date is not on file. Last contest in this district on file: 2024.

All elections (15 for this seat)

Votes for listed candidates: 133,072
Election day: November 5, 2024
District map: Same as today

Pennsylvania Senate District 31, 1968 to 2024, 2024, every candidate
Candidate	Party	Votes and share	Share
RepublicanDawn KeeferWonName as filed: Dawn Wetzel Keefer	Republican	80,96360.8%	60.8%
DemocraticMark Joseph Temons	Democratic	52,10939.2%	39.2%

Votes for listed candidates: 157,351
Election day: November 3, 2020
District map: Older district map (2014 to 2021)

Pennsylvania Senate District 31, 1968 to 2024, 2020, every candidate
Candidate	Party	Votes and share	Share
RepublicanMichael ReganWon(incumbent)	Republican	95,22860.5%	60.5%
DemocraticShanna Danielson	Democratic	62,12339.5%	39.5%

Votes for listed candidates: 135,078
Election day: November 8, 2016
District map: Older district map (2014 to 2021)

Pennsylvania Senate District 31, 1968 to 2024, 2016, every candidate
Candidate	Party	Votes and share	Share
RepublicanMichael R. ReganWon	Republican	87,26964.6%	64.6%
DemocraticJohn Bosha	Democratic	38,47828.5%	28.5%
IndependentKenneth Gehosky	Independent	9,3316.9%	6.9%

Pennsylvania Senate District 31, 1968 to 2024, 2012, every candidate
Candidate	Party	Votes and share	Share
RepublicanPatricia H. VanceWon(incumbent)	Republican	123,096100.0%	100.0%

Votes for listed candidates: 130,365
Election day: November 4, 2008
District map: Older district map (2002 to 2013)

Pennsylvania Senate District 31, 1968 to 2024, 2008, every candidate
Candidate	Party	Votes and share	Share
RepublicanPatricia H. VanceWon(incumbent)	Republican	92,95971.3%	71.3%
DemocraticSusan Kiskis	Democratic	37,40628.7%	28.7%

Votes for listed candidates: 118,916
Election day: November 2, 2004
District map: Older district map (2002 to 2013)

Pennsylvania Senate District 31, 1968 to 2024, 2004, every candidate
Candidate	Party	Votes and share	Share
RepublicanPatricia H. VanceWon	Republican	86,74172.9%	72.9%
DemocraticSean Quinlan	Democratic	29,14824.5%	24.5%
IndependentJeffrey Gerace	Independent	3,0272.5%	2.5%

Votes for listed candidates: 100,339
Election day: November 7, 2000
District map: Older district map (1992 to 2001)

Pennsylvania Senate District 31, 1968 to 2024, 2000, every candidate
Candidate	Party	Votes and share	Share
RepublicanHarold F. Mowery Jr.Won(incumbent)	Republican	66,11265.9%	65.9%
DemocraticJames H. Hertzler	Democratic	34,22734.1%	34.1%

Votes for listed candidates: 89,873
Election day: November 5, 1996
District map: Older district map (1992 to 2001)

Pennsylvania Senate District 31, 1968 to 2024, 1996, every candidate
Candidate	Party	Votes and share	Share
RepublicanHarold F. Mowery Jr.Won(incumbent)	Republican	61,00467.9%	67.9%
DemocraticJames M. Hoefler	Democratic	28,86932.1%	32.1%

Votes for listed candidates: 92,105
Election day: November 3, 1992
District map: Older district map (1992 to 2001)

Pennsylvania Senate District 31, 1968 to 2024, 1992, every candidate
Candidate	Party	Votes and share	Share
RepublicanHarold F. Mowery Jr.Won	Republican	49,75554.0%	54.0%
DemocraticRobert M. Fowler	Democratic	42,35046.0%	46.0%

Votes for listed candidates: 89,133
Election day: November 8, 1988
District map: Older district map (1982 to 1991)

Pennsylvania Senate District 31, 1968 to 2024, 1988, every candidate
Candidate	Party	Votes and share	Share
RepublicanJohn D. HopperWon(incumbent)	Republican	61,50269.0%	69.0%
DemocraticEdward F. Alexander	Democratic	27,63131.0%	31.0%

Votes for listed candidates: 90,797
Election day: November 6, 1984
District map: Older district map (1982 to 1991)

Pennsylvania Senate District 31, 1968 to 2024, 1984, every candidate
Candidate	Party	Votes and share	Share
RepublicanJohn D. HopperWon(incumbent)	Republican	59,71965.8%	65.8%
DemocraticJohn E. Rowland	Democratic	31,07834.2%	34.2%

Votes for listed candidates: 92,537
Election day: November 4, 1980
District map: Older district map (1972 to 1981)

Pennsylvania Senate District 31, 1968 to 2024, 1980, every candidate
Candidate	Party	Votes and share	Share
RepublicanJohn D. HopperWon(incumbent)	Republican	63,33268.4%	68.4%
DemocraticMark David Frankel	Democratic	29,20531.6%	31.6%

Votes for listed candidates: 86,022
Election day: November 2, 1976
District map: Older district map (1972 to 1981)

Pennsylvania Senate District 31, 1968 to 2024, 1976, every candidate
Candidate	Party	Votes and share	Share
RepublicanJohn D. HopperWon	Republican	43,92951.1%	51.1%
DemocraticRobert L. Myers III	Democratic	42,09348.9%	48.9%

Votes for listed candidates: 83,894
Election day: November 7, 1972
District map: Older district map (1972 to 1981)

Pennsylvania Senate District 31, 1968 to 2024, 1972, every candidate
Candidate	Party	Votes and share	Share
RepublicanGeorge N. WadeWon(incumbent)	Republican	46,76855.8%	55.8%
DemocraticGerald A. New	Democratic	36,18643.1%	43.1%
OtherJames C. Grieder	Other	9371.1%	1.1%
Scattered write-ins	Write-in	30.0%	0.0%

Votes for listed candidates: 92,521
Election day: November 5, 1968
District map: Older district map (1966 to 1971)

Pennsylvania Senate District 31, 1968 to 2024, 1968, every candidate
Candidate	Party	Votes and share	Share
RepublicanGeorge N. WadeWon(incumbent)	Republican	61,34966.3%	66.3%
DemocraticGordon T. Jones	Democratic	29,47431.9%	31.9%
OtherDale H. Steager	Other	1,6981.8%	1.8%

2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source

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Election Wrld. (2026). Pennsylvania State Senate District 31, election results 1968 to 2024. https://www.electionwrld.com/pa/senate/31. Retrieved October 31, 2026.

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Sources

Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; MEDSL 2024 official precinct returns (individual_states zips) (Not stated in the GitHub repository (an earlier label said "MIT (repo)", which the repository does not support). MEDSL's Harvard Dataverse records are CC0 1.0, but these GitHub files were not checksum-matched to the Dataverse files, so CC0 is not claimed for them.), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) from official returns, not an official source; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.

DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026