# 2020 United States Senate election in Louisiana

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The 2020 United States Senate election in Louisiana was held on November 3, 2020, to elect a member of the United States Senate to represent the State of Louisiana, concurrently with the 2020 U.S. presidential election, as well as other elections to the United States Senate, elections to the United States House of Representatives and various state and local elections. A blanket primary was held on November 3, 2020; if no candidate had won a majority of the vote in the blanket primary, then a runoff election would have been held on December 5.

## Candidates
### Republican Party
#### Declared

* Bill Cassidy, incumbent U.S. senator
* Dustin Murphy, welder

### Democratic Party

Though there were multiple Democratic candidates, the one with the most institutional support was Shreveport Mayor Adrian Perkins, who had the endorsements of the Louisiana Democratic Party and the Democratic Senatorial Campaign Committee and would end up receiving the nomination.

#### Declared

* Derrick Edwards, perennial candidate
* Drew Knight
* Adrian Perkins, mayor of Shreveport
* Antoine Pierce, community activist
* Peter Wenstrup, teacher

#### Withdrew

* Dartanyon Williams, businessman and author (running for Louisiana's 6th congressional district)

#### Declined

* Mary Landrieu, former U.S. senator
* Mitch Landrieu, former mayor of New Orleans

#### Endorsements

Federal officials
* Barack Obama, 44th president of the United States
State officials
* John Bel Edwards, Governor of Louisiana
Local officials
* Pete Buttigieg, former mayor of South Bend, Indiana (2012–2020)
Organizations
* DSCC
* Louisiana Democratic Party
* VoteVets
U.S. senators
* Cory Booker, U.S. senator from New Jersey (2013–present)
* Kamala Harris, U.S. senator from California (2017–2021) and Democratic 2020 vice presidential nominee
Individuals
* Andrew Yang, businessman, entrepreneur, non-profit leader and 2020 presidential candidate
Organizations
* DUH! Demand Universal Healthcare
* Humanity Forward

### Libertarian Party
#### Declared

* Aaron Sigler, neurosurgeon

### Independents
#### Declared

* Beryl Billiot, businessman
* John Paul Bourgeois
* Reno Jean Daret III
* Alexander "Xan" John, businessman and law student
* Jamar "Doc" Montgomery, attorney

#### Withdrew

* Gregory Fitch

## General election
### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Safe R | October 29, 2020 |
| Inside Elections | Safe R | October 28, 2020 |
| Sabato's Crystal Ball | Safe R | November 2, 2020 |
| Daily Kos | Safe R | October 30, 2020 |
| Politico | Safe R | November 2, 2020 |
| RCP | Safe R | October 23, 2020 |
| DDHQ | Safe R | November 3, 2020 |
| 538 | Safe R | November 2, 2020 |
| Economist | Likely R | November 2, 2020 |

### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Bill Cassidy (R) | Dustin Murphy (R) | Adrian Perkins (D) | Antoine Pierce (D) | Other | Undecided |
| ALG Research (D) | August 6–12, 2020 | 800 (LV) | ± 3.5% | 42% | 6% | 17% | 11% | 3% | 21% |

#### Head to head matchups

Bill Cassidy vs. Adrian Perkins
| Poll source | Date(s) administered | Sample size | Margin of error | Bill Cassidy (R) | Adrian Perkins (D) | Undecided |
| ALG Research (D) | August 6–12, 2020 | 800 (LV) | ± 3.5% | 52% | 33% | 16% |
Bill Cassidy vs. generic opponent
| Poll source | Date | Sample size | Margin of error | Bill Cassidy (R) | Generic Opponent | Undecided |
| Tyson Group/Consumer Energy Alliance | September 2–5, 2020 | 600 (LV) | ± 4% | 38% | 37% | 24% |
| Tyson Group/Consumer Energy Alliance | March 16, 2020 | – (V) | – | 48% | 25% | 27% |
Generic Republican vs. generic Democrat
| Poll source | Date | Sample size | Margin of error | Generic Republican | Generic Democrat | Other | Undecided |
| ALG Research (D) | August 6–12, 2020 | 800 (LV) | ± 3.5% | 43% | 33% | 2% | 23% |

### Results

United States Senate election blanket primary in Louisiana, 2020 :
| Party | Party | Candidate | Votes | % |
| | Republican | Bill Cassidy (incumbent) | 1,228,908 | 59.32% |
| | Democratic | Adrian Perkins | 394,049 | 19.02% |
| | Democratic | Derrick Edwards | 229,814 | 11.09% |
| | Democratic | Antoine Pierce | 55,710 | 2.69% |
| | Republican | Dustin Murphy | 38,383 | 1.85% |
| | Democratic | Drew Knight | 36,962 | 1.78% |
| | Independent | Beryl Billiot | 17,362 | 0.84% |
| | Independent | John Paul Bourgeois | 16,518 | 0.8% |
| | Democratic | Peter Wenstrup | 14,454 | 0.7% |
| | Libertarian | Aaron Sigler | 11,321 | 0.55% |
| | Independent | M.V. "Vinny" Mendoza | 7,811 | 0.38% |
| | Independent | Melinda Mary Price | 7,680 | 0.37% |
| | Independent | Jamar Montgomery | 5,804 | 0.28% |
| | Independent | Reno Jean Daret III | 3,954 | 0.19% |
| | Independent | Alexander "Xan" John | 2,813 | 0.14% |
| Total votes | Total votes | Total votes | 2,071,543 | 100% |
| | Republican hold | Republican hold | Republican hold | Republican hold |