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2026 United States Senate election in New Hampshire

Updated: Wikipedia source

2026 United States Senate election in New Hampshire

The 2026 United States Senate election in New Hampshire will be held on November 3, 2026, to elect a member of the United States Senate to represent the state of New Hampshire. Incumbent Democratic U . senator Jeanne Shaheen declined to seek re-election to a fourth term. Primary elections will be held on September 8, 2026. This will be the first open Senate election in New Hampshire since 2010, and the first for this seat since 1990.

Infobox

Party
Democratic

Tables

· Democratic primary › Fundraising
Candidate
Candidate
Campaign finance reports as of March 31, 2026
Candidate
Campaign finance reports as of March 31, 2026
Raised
Campaign finance reports as of March 31, 2026
Spent
Campaign finance reports as of March 31, 2026
Cash on hand
Karishma Manzur (D)
Karishma Manzur (D)
Campaign finance reports as of March 31, 2026
Karishma Manzur (D)
Campaign finance reports as of March 31, 2026
$114,396
Campaign finance reports as of March 31, 2026
$99,741
Campaign finance reports as of March 31, 2026
$14,654
Chris Pappas (D)
Chris Pappas (D)
Campaign finance reports as of March 31, 2026
Chris Pappas (D)
Campaign finance reports as of March 31, 2026
$9,860,676
Campaign finance reports as of March 31, 2026
$6,044,770
Campaign finance reports as of March 31, 2026
$4,223,490
Jared Sullivan (D)
Jared Sullivan (D)
Campaign finance reports as of March 31, 2026
Jared Sullivan (D)
Campaign finance reports as of March 31, 2026
$93,914
Campaign finance reports as of March 31, 2026
$28,448
Campaign finance reports as of March 31, 2026
$65,565
Source: Federal Election Commission
Source: Federal Election Commission
Campaign finance reports as of March 31, 2026
Source: Federal Election Commission
Campaign finance reports as of March 31, 2026
Candidate
Raised
Spent
Cash on hand
Karishma Manzur (D)
$114,396
$99,741
$14,654
Chris Pappas (D)
$9,860,676
$6,044,770
$4,223,490
Jared Sullivan (D)
$93,914
$28,448
$65,565
Source: Federal Election Commission
· Democratic primary › Polling
Race to the WH
Race to the WH
Source of poll aggregation
Race to the WH
Dates administered
through April 21, 2026
Dates updated
April 23, 2026
Karishma Manzur
13 %
Chris Pappas
65 %
Jared Sullivan
1 %
Undecided
19 %
Margin
Pappas +52 %
Source of poll aggregation
Dates administered
Dates updated
Karishma Manzur
Chris Pappas
Jared Sullivan
Undecided
Margin
Race to the WH
through April 21, 2026
April 23, 2026
13 %
65 %
1 %
19 %
Pappas +52 %
· Democratic primary › Polling
University of New Hampshire
University of New Hampshire
Poll source
University of New Hampshire
Date(s) administered
April 17–21, 2026
Sample size
481 (LV)
Margin of error
± 4 %
Karishma Manzur
18%
Chris Pappas
61%
Jared Sullivan
1%
Other
1%
Undecided
18%
Saint Anselm College
Saint Anselm College
Poll source
Saint Anselm College
Date(s) administered
March 16–18, 2026
Sample size
691 (RV)
Margin of error
± 3 %
Karishma Manzur
9%
Chris Pappas
71%
Jared Sullivan
3%
Other
–
Undecided
18%
University of New Hampshire
University of New Hampshire
Poll source
University of New Hampshire
Date(s) administered
January 15–19, 2026
Sample size
893 (LV)
Margin of error
± 3 %
Karishma Manzur
11%
Chris Pappas
65%
Jared Sullivan
2%
Other
–
Undecided
22%
Saint Anselm College
Saint Anselm College
Poll source
Saint Anselm College
Date(s) administered
November 18–19, 2025
Sample size
1,015 (RV)
Margin of error
± 3 %
Karishma Manzur
8%
Chris Pappas
64%
Jared Sullivan
2%
Other
–
Undecided
26%
University of New Hampshire
University of New Hampshire
Poll source
University of New Hampshire
Date(s) administered
November 13–17, 2025
Sample size
521 (LV)
Margin of error
± 4 %
Karishma Manzur
8%
Chris Pappas
57%
Jared Sullivan
5%
Other
–
Undecided
30%
University of New Hampshire
University of New Hampshire
Poll source
University of New Hampshire
Date(s) administered
September 17–23, 2025
Sample size
508 (LV)
Margin of error
± 4 %
Karishma Manzur
14%
Chris Pappas
65%
Jared Sullivan
–
Other
1%
Undecided
20%
Poll source
Date(s) administered
Sample size
Margin of error
Karishma Manzur
Chris Pappas
Jared Sullivan
Other
Undecided
University of New Hampshire
April 17–21, 2026
481 (LV)
± 4 %
18%
61%
1%
1%
18%
Saint Anselm College
March 16–18, 2026
691 (RV)
± 3 %
9%
71%
3%
–
18%
University of New Hampshire
January 15–19, 2026
893 (LV)
± 3 %
11%
65%
2%
–
22%
Saint Anselm College
November 18–19, 2025
1,015 (RV)
± 3 %
8%
64%
2%
–
26%
University of New Hampshire
November 13–17, 2025
521 (LV)
± 4 %
8%
57%
5%
–
30%
University of New Hampshire
September 17–23, 2025
508 (LV)
± 4 %
14%
65%
–
1%
20%
· Republican primary › Fundraising
Candidate
Candidate
Campaign finance reports as of March 31, 2026
Candidate
Campaign finance reports as of March 31, 2026
Raised
Campaign finance reports as of March 31, 2026
Spent
Campaign finance reports as of March 31, 2026
Cash on hand
Scott Brown (R)
Scott Brown (R)
Campaign finance reports as of March 31, 2026
Scott Brown (R)
Campaign finance reports as of March 31, 2026
$1,664,338
Campaign finance reports as of March 31, 2026
$880,952
Campaign finance reports as of March 31, 2026
$783,386
Dan Innis (R)
Dan Innis (R)
Campaign finance reports as of March 31, 2026
Dan Innis (R)
Campaign finance reports as of March 31, 2026
$48,502
Campaign finance reports as of March 31, 2026
$48,502
Campaign finance reports as of March 31, 2026
$0
John E. Sununu (R)
John E. Sununu (R)
Campaign finance reports as of March 31, 2026
John E. Sununu (R)
Campaign finance reports as of March 31, 2026
$2,475,941
Campaign finance reports as of March 31, 2026
$583,037
Campaign finance reports as of March 31, 2026
$1,892,904
Source: Federal Election Commission
Source: Federal Election Commission
Campaign finance reports as of March 31, 2026
Source: Federal Election Commission
Campaign finance reports as of March 31, 2026
Candidate
Raised
Spent
Cash on hand
Scott Brown (R)
$1,664,338
$880,952
$783,386
Dan Innis (R)
$48,502
$48,502
$0
John E. Sununu (R)
$2,475,941
$583,037
$1,892,904
Source: Federal Election Commission
· Republican primary › Polling
RealClearPolitics
RealClearPolitics
Source of poll aggregation
RealClearPolitics
Dates administered
March 16 – April 20, 2026
Dates updated
April 23, 2026
Scott Brown
22 %
John E. Sununu
51 %
Other/Undecided
27 %
Margin
Sununu +29 %
270 to Win
270 to Win
Source of poll aggregation
270 to Win
Dates administered
March 26 – April 23, 2026
Dates updated
April 23, 2026
Scott Brown
19 %
John E. Sununu
52 %
Other/Undecided
29 %
Margin
Sununu +33 %
Race to the WH
Race to the WH
Source of poll aggregation
Race to the WH
Dates administered
through April 21, 2026
Dates updated
April 23, 2026
Scott Brown
22 %
John E. Sununu
50 %
Other/Undecided
27 %
Margin
Sununu +28 %
Average
Average
Source of poll aggregation
Average
Dates administered
21 %
Dates updated
51 %
Scott Brown
27 %
John E. Sununu
Sununu +30 %
Source of poll aggregation
Dates administered
Dates updated
Scott Brown
John E. Sununu
Other/Undecided
Margin
RealClearPolitics
March 16 – April 20, 2026
April 23, 2026
22 %
51 %
27 %
Sununu +29 %
270 to Win
March 26 – April 23, 2026
April 23, 2026
19 %
52 %
29 %
Sununu +33 %
Race to the WH
through April 21, 2026
April 23, 2026
22 %
50 %
27 %
Sununu +28 %
Average
21 %
51 %
27 %
Sununu +30 %

References

  1. As last reported on December 31, 2025
  2. Calculated by taking the difference of 100% and all other candidates combined.
  3. Key: A – all adults RV – registered voters LV – likely voters V – unclear
  4. "Another candidate" with 1%
  5. "Write in someone else" with 1%
  6. Charlie Hough with 2%
  7. Charlie Hough with 1 %; Tejasinha Sivalingam with 0 %
  8. Charlie Hough and "Write in another candidate" with 2%
  9. Charlie Hough with 1%; Tejasinha Sivalingam with 0%
  10. "Someone else" with 4%
  11. "Someone else" with 5%
  12. "Another candidate" with 3%
  13. "Someone else" with 6%
  14. "Another candidate" with 2%
  15. "Another candidate" with 4%
  16. Poll sponsored by One Nation, a group aligned with the Senate Leadership Fund
  17. Poll sponsored by Trending Politics, a conservative news website
  18. Poll conducted for the NHJournal
  19. The New York Times
    https://www.nytimes.com/2025/03/12/us/politics/jeanne-shaheen-new-hampshire-senate-2026.html
  20. AP News
    https://apnews.com/article/new-hampshire-congress-election-2024-b9a8e05a7847c3ba93c424c2094a49a7
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