2020 United States Senate election in New Hampshire


The 2020 United States Senate election in New Hampshire will be held on November 3, 2020, to elect a member of the United States Senate to represent the State of New Hampshire, 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 Democratic Senator Jeanne Shaheen is running for reelection to a third term in office.
The primary election is on September 8, 2020.

Democratic primary

Candidates

Declared

Results

Republican primary

Candidates

Declared

Polling

;with Corey Lewandowski
Poll sourceDate
administered		Sample
size		Margin
of error		Don
Bolduc		Corey
Lewandowski		Bill
O'Brien		OtherUndecided
September 6–9, 2019379 ± 5.0%9%29%7%4%56%
September 5–6, 2019402 ± 4.2%9%29%6%2%49%
August 12–14, 2019200 –21%21%8%2%47%
August 11–12, 2020400 –11%30%10%––

Results

Other candidates

Libertarian Party

Nominee

Progressive Bull Moose Party

Nominee

Predictions

Polling

;with Don Bolduc
Poll sourceDate
administered		Sample
size		Margin
of error		Jeanne
Shaheen 		Don
Bolduc 		Other /
Undecided
July 16–28, 20201,893 ± 2.2%54%35%10%
June 18–22, 2020932 ± 2.8%51%39%11%
May 14–18, 2020788 ± 3.2%50%39%11%
February 19–25, 2020576 ± 4.1%49%30%22%
August 12–14, 2019427 ± 4.7%47%42%11%
August 2–6, 2019505 ± 4.4%51%38%11%

;with Corky Messner
Poll sourceDate
administered		Sample
size		Margin
of error		Jeanne
Shaheen 		Corky
Messner 		Other /
Undecided
July 16–28, 20201,893 ± 2.2%54%35%12%
June 18–22, 2020932 ± 2.8%50%37%13%
May 14–18, 2020788 ± 3.2%52%34%13%
February 19–25, 2020576 ± 4.1%52%28%21%

;with Corey Lewandowski
Poll sourceDate
administered		Sample
size		Margin
of error		Jeanne
Shaheen 		Corey
Lewandowski 		Other /
Undecided
December 12–16, 2019539 ± 4.2%58%35%7%
November 22–26, 20191,184 ± 2.8%52%40%8%
September 20–24, 2019560 ± 4.1%56%34%10%
September 6–9, 20191,041 ± 3.0%49%39%12%
August 12–14, 2019427 ± 4.7%50%37%–

;with Bill O'Brien
Poll sourceDate
administered		Sample
size		Margin
of error		Jeanne
Shaheen 		Bill
O'Brien 		OtherUndecided
February 19–25, 2020576 ± 4.1%51%30%5%14%
August 2–6, 2019505 ± 4.4%52%39%–9%

;with Chris Sununu
Poll sourceDate
administered		Sample
size		Margin
of error		Jeanne
Shaheen 		Chris
Sununu 		Undecided
February 21–22, 2019910 ± 3.2%44%44%12%
February 7–15, 2019600 ± 4.8%45%42%10%

;with Kelly Ayotte
Poll sourceDate
administered		Sample
size		Margin
of error		Jeanne
Shaheen 		Kelly
Ayotte 		Undecided
February 7–15, 2019600 ± 4.8%41%36%20%

;with Generic Democrat and Generic Republican
Poll sourceDate
administered		Sample
size		Margin
of error		Generic
Democrat		Generic
Republican		OtherUndecided
Jun 13–16, 20201,072 ± 3%46%43%2%8%
Apr 23–27, 2020820 ± 3.4%49%42%3%6%

Results