2020 United States Senate election in Michigan


The 2020 United States Senate election in Michigan will be held on November 3, 2020, to elect a member of the United States Senate to represent Michigan. It will be held 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.
Incumbent Gary Peters is one of two Democratic U.S. Senators up for reelection in 2020 in a state President Donald Trump carried in 2016; the other is Doug Jones from Alabama. The primary is scheduled for August 4. The filing deadline for candidates to run in the primary was April 21 but was extended to May 8 due to the COVID-19 pandemic.

Democratic primary

Candidates

Declared

Results

Republican primary

Candidates

Declared

Polling

;with Bill Schuette
Poll sourceDate
administered		Sample
size		Margin
of error		John
James		Bill
Schuette		Undecided
April 22–25, 2019296 –59%15%26%

Results

Other candidates

Green Party

Nominee

Declared

Predictions

Endorsements

Polling

Aggregate polls

Poll sourceDate
administered		Sample
size		Margin
of error		Gary
Peters 		John
James 		Other/Undecided
July 24–26, 2020413 ± 4.8%48%44%8%
July 19–23, 2020811 ± 3.2%52%35%13%
July 17–26, 20201,320 ± 3.0%49%35%16%
July 18–24, 2020927 ± 3.8%54%38%8%
July 22, 2020754 ± 3.6%49%39%11%
July 19–21, 2020600 ± 4.0%41%34%25%
July 18–20, 2020756 ± 3.5%48%38%15%
July 11–16, 2020600 ± 3.7%47%37%15%
July 10–12, 2020824 ± 2.8%50%43%6%
July 9–10, 20201,041 ± 3.2%49%42%9%
June 26–28, 2020699 ± 3.9%49%42%9%
June 26–27, 20201,237 ± 3.2%47%39%14%
2020 United States Senate election in Michigan#cite%20note-77|#cite note-105|#cite note-107|June 17–20, 2020600 ± 4.0%51%38%14%
June 8–17, 2020610 ± 4.3%41%31%29%
June 14–16, 2020826 ± 3.4%50%32%18%
June 12–15, 2020600 ± 4.0%36%30%33%
June 9–12, 2020907 ± 3.3%47%35%17%
May 31 – June 7, 2020543 ± 6.4%48%32%20%
May 30 – June 3, 2020600 ± 4.0%51%36%13%
May 29–30, 20201,582 ± 2.5%48%39%13%
May 11–17, 20203,070 ± 2.6%48%43%9%
2020 United States Senate election in Michigan#cite%20note-87|#cite note-115|#cite note-117|#cite note-105|May 1–5, 2020600 ± 3.0%48%36%17%
April 28–29, 20201,270 ± 3.2%46%37%17%
April 18–21, 2020801 ± 3.5%46%36%13%
April 9–18, 2020600 ± 3.0%46%37%17%
March 31 – April 1, 20201,019 ± 3.1%45%38%17%
March 30 – April 1, 2020602 ± 4.0%42%40%18%
2020 United States Senate election in Michigan#cite%20note-89|#cite note-117|#cite note-119|#cite note-107|March 12–21, 2020600 ± 4.0%48%39%13%
March 16–20, 2020600 ± 4.0%42%35%13%
March 5–7, 2020550 ± 5.0%40%41%11%
February 12–18, 2020845 ± 3.4%45%39%15%
January 8–20, 20201,023 ± 3.1%42%32%26%
January 3–7, 2020600 ± 4.0%44%40%16%
2020 United States Senate election in Michigan#cite%20note-90|#cite note-118|#cite note-120|#cite note-108|November 24–26, 2019600 ± 3.0%43%44%12%
October 31 – November 3, 20191,051 ± 3.5%46%40%14%
October 10-16, 2019600 ± 3.0%48%35%17%
October 7–10, 2019600 ± 4.0%43%40%17%
September 24–26, 2019804 ± 3.5%53%37%10%
September 21–24, 2019600 ± 4.0%40%39%21%
April 22–25, 2019800 ± 3.5%50%36%14%
March 7–10, 2019743 ± 3.5%44%43%14%

The following poll assumes neither Republican candidate would withdraw after their primary.
;with Bob Carr and John James
Poll sourceDate
administered		Sample
size		Margin
of error		Gary
Peters 		Bob
Carr 		John
James 		Undecided
March 17–25, 2020822 ± 3.8%40%6%27%28%

;with Bill Schuette
Poll sourceDate
administered		Sample
size		Margin
of error		Gary
Peters 		Bill
Schuette 		Undecided
April 22–25, 2019800 ± 3.5%51%32%17%

;with Gary Peters and Generic Republican
Poll sourceDate
administered		Sample
size		Margin
of error		Gary
Peters 		Generic
Republican		Undecided
May 8–10, 2019600± 4.0%42%36%21%

;with Gary Peters and Generic Opponent
Poll sourceDate
administered		Sample
size		Margin
of error		Gary
Peters 		Generic
Opponent		Undecided
Jun 12-15, 2020600 ± 4.0%19.2%30.3%50.5%

;with Generic Democrat and Generic Republican
Poll sourceDate
administered		Sample
size		Margin
of error		Generic
Democrat		Generic
Republican		Undecided
June 17–20, 2020600 ± 4.0%50%34%16%
May 1–5, 2020600 ± 3.0%43%38%15%
April 9–18, 2020600 ± 3.0%40%44%16%
March 12–21, 2020600 ± 4.0%46%42%12%

Results