# 2018 United States Senate election in Connecticut

Elections in Connecticut :
Federal government
U.S President
1788–89
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1800
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2028
Presidential primaries
Democratic
2000
2004
2008
2016
2020
2024
2028
Republican
2008
2012
2016
2020
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U.S. Senate
1788
1790
1791
1791 (sp)
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1793 (sp)
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1796 (sp)
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1807 (sp)
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1998
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2010
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2018
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2030
U.S. House
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1917 (4th sp)
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1987 (4th sp)
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2026 :
State government
State elections
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2014
2018
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Governor
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Apr
Nov
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2026
Attorney General
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Secretary of the State
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State Treasurer
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2014
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State Comptroller
2018
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State Senate
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2012
2015
2016
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State House
2010
2018
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2026 :
Bridgeport
Mayor
2015
2019
2023-24
2027 :
Hartford
Mayor
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2023 :
New Haven
Mayor
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2015
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2019
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2023 :
Stamford
Mayor
2017
2021
2025 :
Waterbury
Mayoral Elections
2019 :
vte :
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.
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. 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

#### Withdrew

* Ann-Marie Adams, investigative journalist and founder of The Hartford Guardian

### Endorsements
#### Organizations

* J Street
* League of Conservation Voters
* MoveOn.org
* National Committee to Preserve Social Security and Medicare
* National Organization for Women
* Natural Resources Defense Council Action Fund
* Population Connection
* Sierra Club
* United Automobile Workers

## Republican primary
### Candidates
#### Declared

* Matthew Corey, businessman
* Dominic Rapini, businessman

#### Eliminated at convention

* Joe Visconti, former West Hartford Councilman and independent candidate for governor in 2014

#### Declined

* Gretchen Carlson, former Fox News anchor and former Miss America

### Endorsements
#### Individuals

* Ann Coulter, conservative commentator

#### Newspapers

* Waterbury Republican-American

### Results

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

## Libertarian primary
### Candidates

* Richard Lion

## General election
### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Safe D | October 26, 2018 |
| Inside Elections | Safe D | November 1, 2018 |
| Sabato's Crystal Ball | Safe D | November 5, 2018 |
| Daily Kos | Safe D | September 17, 2018 |
| Fox News | Likely D | September 19, 2018 |
| CNN | Safe D | September 16, 2018 |
| RealClearPolitics | 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 | October 30 – November 1, 2018 | 681 | ± 3.8% | 58% | 35% | – | 7% |
| Emerson College | October 27–29, 2018 | 780 | ± 3.7% | 55% | 35% | 3% | 7% |
| Quinnipiac University | October 22–28, 2018 | 1,201 | ± 4.0% | 56% | 41% | 0% | 3% |
| Quinnipiac University | October 3–8, 2018 | 767 | ± 5.0% | 57% | 42% | 0% | 1% |
| Gravis Marketing | August 24–27, 2018 | 606 | ± 4.0% | 54% | 37% | − | 8% |
| Quinnipiac University | August 16–21, 2018 | 1,029 | ± 3.9% | 59% | 31% | 0% | 8% |

### Results

United States Senate election in Connecticut, 2018 :
| Party | 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 | Write-in | 88 | 0.00% | -0.45% |
| Total votes | Total votes | Total votes | 1,386,840 | 100.00% | N/A |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

#### By congressional district

Murphy won all five congressional districts.
| 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) |
| 5th | 55% | 44% | Jahana Hayes (116th Congress) |