2018 United States Senate election in Connecticut

The 2018 United States Senate election in Connecticut took place on November 6, 2018, to elect a member of the United States Senate to represent the State of Connecticut. Incumbent Democrat Chris Murphy sought and won reelection to a second term.

2018 United States Senate election in Connecticut

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Turnout	63.58%
Nominee Chris Murphy Matthew Corey Party Democratic Republican Alliance Working Families Popular vote 825,579 545,717 Percentage 59.53% 39.35%
County results Municipality results Congressional district results Precinct results Murphy:      40–50%      50–60%      60–70%      70–80%      80–90%      >90% Corey:      40–50%      50–60%      60–70%
U.S. senator before election Chris Murphy Democratic Elected U.S. Senator Chris Murphy Democratic

The primary election was held on August 14, 2018, following a June 12 candidate filing deadline. In the November 6, 2018 general election, incumbent Chris Murphy defeated Republican nominee Matthew Corey with over 59% of the vote.^[1] Despite this, Corey was the first Republican since 1926 to win the town of Sprague.

Democratic primary

Candidates

Declared

• Chris Murphy, incumbent U.S. senator^[2]

Withdrew

• Ann-Marie Adams, investigative journalist and founder of The Hartford Guardian^[3]

Endorsements

Chris Murphy

Organizations

• J Street^[4]
• League of Conservation Voters^[5]
• MoveOn.org^[6]
• National Committee to Preserve Social Security and Medicare^[7]
• National Organization for Women^[8]
• Natural Resources Defense Council Action Fund^[9]
• Population Connection^[10]
• Sierra Club^[11]
• United Automobile Workers^[12]

Republican primary

Candidates

Declared

• Matthew Corey, businessman^[13]
• Dominic Rapini, businessman^[14]

Eliminated at convention

• Joe Visconti, former West Hartford Councilman and independent candidate for governor in 2014^[15]

Declined

• Gretchen Carlson, former Fox News anchor and former Miss America^[16][17]

Endorsements

Matthew Corey

Individuals

• Ann Coulter, conservative commentator^[18]

Newspapers

• Waterbury Republican-American^[19]

Results

Results by county

Map legend

•   Corey—80–90%
•   Corey—70–80%
•   Corey—60–70%

Republican primary results^[20]

Party		Candidate	Votes	%
	Republican	Matthew Corey	99,899	76.54%
	Republican	Dominic Rapini	30,624	23.46%
Total votes			130,523	100.00%

Libertarian primary

Candidates

• Richard Lion

General election

Predictions

Source	Ranking	As of
The Cook Political Report[21]	Safe D	October 26, 2018
Inside Elections[22]	Safe D	November 1, 2018
Sabato's Crystal Ball[23]	Safe D	November 5, 2018
Daily Kos[24]	Safe D	September 17, 2018
Fox News[25]	Likely D	September 19, 2018
CNN[26]	Safe D	September 16, 2018
RealClearPolitics[27]	Safe D	September 16, 2018

Polling

Poll source	Date(s) administered	Sample size	Margin of error	Chris Murphy (D)	Matthew Corey (R)	Other	Undecided
Gravis Marketing[28]	October 30 – November 1, 2018	681	± 3.8%	58%	35%	–	7%
Emerson College[29]	October 27–29, 2018	780	± 3.7%	55%	35%	3%	7%
Quinnipiac University[30]	October 22–28, 2018	1,201	± 4.0%	56%	41%	0%	3%
Quinnipiac University[31]	October 3–8, 2018	767	± 5.0%	57%	42%	0%	1%
Gravis Marketing[32]	August 24–27, 2018	606	± 4.0%	54%	37%	−	8%
Quinnipiac University[33]	August 16–21, 2018	1,029	± 3.9%	59%	31%	0%	8%

Results

United States Senate election in Connecticut, 2018^[34]

Party		Candidate	Votes	%	±%
	Democratic	Chris Murphy	787,685	56.80%	+4.35%
	Working Families	Chris Murphy	37,894	2.73%	+0.36%
	Total	Chris Murphy (incumbent)	825,579	59.53%	+4.71%
	Republican	Matthew Corey	545,717	39.35%	−3.94%
	Libertarian	Richard Lion	8,838	0.64%	−1.02%
	Green	Jeff Russell	6,618	0.48%	N/A
	Write-in		88	0.00%	-0.45%
Total votes			1,386,840	100.00%	N/A
	Democratic hold

By congressional district

Murphy won all five congressional districts.^[35]

District	Murphy	Corey	Representative
1st	63%	36%	John B. Larson
2nd	56%	42%	Joe Courtney
3rd	61%	37%	Rosa DeLauro
4th	62%	37%	Jim Himes
5th	55%	44%	Elizabeth Esty (115th Congress)
			Jahana Hayes (116th Congress)