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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. Primary elections will be held on September 8, 2026. Incumbent three-term Democratic Senator Jeanne Shaheen declined to seek re-election to a fourth term. 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 September 30, 2025
Candidate
Campaign finance reports as of September 30, 2025
Raised
Campaign finance reports as of September 30, 2025
Spent
Campaign finance reports as of September 30, 2025
Cash on hand
Chris Pappas (D)
Chris Pappas (D)
Campaign finance reports as of September 30, 2025
Chris Pappas (D)
Campaign finance reports as of September 30, 2025
$4,284,014
Campaign finance reports as of September 30, 2025
$2,078,837
Campaign finance reports as of September 30, 2025
$2,612,761
Source: Federal Election Commission
Source: Federal Election Commission
Campaign finance reports as of September 30, 2025
Source: Federal Election Commission
Campaign finance reports as of September 30, 2025
Candidate
Raised
Spent
Cash on hand
Chris Pappas (D)
$4,284,014
$2,078,837
$2,612,761
Source: Federal Election Commission
· Democratic primary › Polling
University of New Hampshire
University of New Hampshire
Poll source
University of New Hampshire
Date(s)administered
September 17–23, 2025
Samplesize
508 (LV)
Marginof error
± 4.3%
KarishmaManzur
14%
ChrisPappas
65%
Other
1%
Undecided
20%
Poll source
Date(s)administered
Samplesize
Marginof error
KarishmaManzur
ChrisPappas
Other
Undecided
University of New Hampshire
September 17–23, 2025
508 (LV)
± 4.3%
14%
65%
1%
20%
· Republican primary › Fundraising
Candidate
Candidate
Campaign finance reports as of September 30, 2025
Candidate
Campaign finance reports as of September 30, 2025
Raised
Campaign finance reports as of September 30, 2025
Spent
Campaign finance reports as of September 30, 2025
Cash on hand
Scott Brown (R)
Scott Brown (R)
Campaign finance reports as of September 30, 2025
Scott Brown (R)
Campaign finance reports as of September 30, 2025
$968,538
Campaign finance reports as of September 30, 2025
$165,775
Campaign finance reports as of September 30, 2025
$802,763
Source: Federal Election Commission
Source: Federal Election Commission
Campaign finance reports as of September 30, 2025
Source: Federal Election Commission
Campaign finance reports as of September 30, 2025
Candidate
Raised
Spent
Cash on hand
Scott Brown (R)
$968,538
$165,775
$802,763
Source: Federal Election Commission
· Republican primary › Polling
University of New Hampshire
University of New Hampshire
Poll source
University of New Hampshire
Date(s)administered
September 17–23, 2025
Samplesize
555 (LV)
Marginof error
± 4.2%
ScottBrown
19%
DanInnis
7%
JohnSununu
42%
Other
4%
Undecided
28%
co/efficient (R)
co/efficient (R)
Poll source
co/efficient (R)
Date(s)administered
September 10–12, 2025
Samplesize
346 (LV)
Marginof error
–
ScottBrown
23%
DanInnis
8%
JohnSununu
40%
Other
5%
Undecided
24%
Saint Anselm College
Saint Anselm College
Poll source
Saint Anselm College
Date(s)administered
August 26–27, 2025
Samplesize
791 (RV)
Marginof error
± 3.5%
ScottBrown
48%
DanInnis
13%
JohnSununu
–
Other
–
Undecided
39%
Poll source
Date(s)administered
Samplesize
Marginof error
ScottBrown
DanInnis
JohnSununu
Other
Undecided
September 25, 2025
Innis withdraws from the race
University of New Hampshire
September 17–23, 2025
555 (LV)
± 4.2%
19%
7%
42%
4%
28%
co/efficient (R)
September 10–12, 2025
346 (LV)
–
23%
8%
40%
5%
24%
Saint Anselm College
August 26–27, 2025
791 (RV)
± 3.5%
48%
13%
–
–
39%
· General election › Predictions
Tilt D
Tilt D
Source
Inside Elections
Ranking
Tilt D
As of
October 23, 2025
Lean D
Lean D
Source
The Cook Political Report
Ranking
Lean D
As of
October 14, 2025
Lean D
Lean D
Source
Sabato's Crystal Ball
Ranking
Lean D
As of
August 12, 2025
Tilt D
Tilt D
Source
Race To The WH
Ranking
Tilt D
As of
September 15, 2025
Source
Ranking
As of
Inside Elections
Tilt D
October 23, 2025
The Cook Political Report
Lean D
October 14, 2025
Sabato's Crystal Ball
Lean D
August 12, 2025
Race To The WH
Tilt D
September 15, 2025
· General election › Polling
co/efficient (R)
co/efficient (R)
Poll source
co/efficient (R)
Date(s)administered
October 9–13, 2025
Samplesize
1,034 (LV)
Marginof error
± 3.1%
ChrisPappas (D)
49%
ScottBrown (R)
39%
Other
–
Undecided
13%
University of New Hampshire
University of New Hampshire
Poll source
University of New Hampshire
Date(s)administered
September 17–23, 2025
Samplesize
1,235 (LV)
Marginof error
± 2.8%
ChrisPappas (D)
52%
ScottBrown (R)
37%
Other
2%
Undecided
8%
co/efficient (R)
co/efficient (R)
Poll source
co/efficient (R)
Date(s)administered
September 10–12, 2025
Samplesize
904 (LV)
Marginof error
± 3.3%
ChrisPappas (D)
50%
ScottBrown (R)
40%
Other
–
Undecided
10%
Saint Anselm College
Saint Anselm College
Poll source
Saint Anselm College
Date(s)administered
August 26–27, 2025
Samplesize
1,776 (RV)
Marginof error
± 2.3%
ChrisPappas (D)
48%
ScottBrown (R)
37%
Other
–
Undecided
15%
Poll source
Date(s)administered
Samplesize
Marginof error
ChrisPappas (D)
ScottBrown (R)
Other
Undecided
co/efficient (R)
October 9–13, 2025
1,034 (LV)
± 3.1%
49%
39%
–
13%
University of New Hampshire
September 17–23, 2025
1,235 (LV)
± 2.8%
52%
37%
2%
8%
co/efficient (R)
September 10–12, 2025
904 (LV)
± 3.3%
50%
40%
–
10%
Saint Anselm College
August 26–27, 2025
1,776 (RV)
± 2.3%
48%
37%
–
15%
· General election › Polling
co/efficient (R)
co/efficient (R)
Poll source
co/efficient (R)
Date(s)administered
October 9–13, 2025
Samplesize
1,034 (LV)
Marginof error
± 3.1%
ChrisPappas (D)
45%
John E.Sununu (R)
42%
Other
–
Undecided
12%
University of New Hampshire
University of New Hampshire
Poll source
University of New Hampshire
Date(s)administered
September 17–23, 2025
Samplesize
1,235 (LV)
Marginof error
± 2.8%
ChrisPappas (D)
49%
John E.Sununu (R)
43%
Other
1%
Undecided
7%
co/efficient (R)
co/efficient (R)
Poll source
co/efficient (R)
Date(s)administered
September 10–12, 2025
Samplesize
904 (LV)
Marginof error
± 3.3%
ChrisPappas (D)
46%
John E.Sununu (R)
43%
Other
–
Undecided
11%
1892 Polling (R)
1892 Polling (R)
Poll source
1892 Polling (R)
Date(s)administered
September 2–4, 2025
Samplesize
500 (LV)
Marginof error
± 4.4%
ChrisPappas (D)
45%
John E.Sununu (R)
43%
Other
–
Undecided
12%
Poll source
Date(s)administered
Samplesize
Marginof error
ChrisPappas (D)
John E.Sununu (R)
Other
Undecided
co/efficient (R)
October 9–13, 2025
1,034 (LV)
± 3.1%
45%
42%
–
12%
University of New Hampshire
September 17–23, 2025
1,235 (LV)
± 2.8%
49%
43%
1%
7%
co/efficient (R)
September 10–12, 2025
904 (LV)
± 3.3%
46%
43%
–
11%
1892 Polling (R)
September 2–4, 2025
500 (LV)
± 4.4%
45%
43%
–
12%
co/efficient (R)
co/efficient (R)
Poll source
co/efficient (R)
Date(s)administered
September 10–12, 2025
Samplesize
904 (LV)
Marginof error
± 3.3%
ChrisPappas (D)
49%
DanInnis (R)
37%
Undecided
14%
Saint Anselm College
Saint Anselm College
Poll source
Saint Anselm College
Date(s)administered
August 26–27, 2025
Samplesize
1,776 (RV)
Marginof error
± 2.3%
ChrisPappas (D)
48%
DanInnis (R)
30%
Undecided
22%
Poll source
Date(s)administered
Samplesize
Marginof error
ChrisPappas (D)
DanInnis (R)
Undecided
co/efficient (R)
September 10–12, 2025
904 (LV)
± 3.3%
49%
37%
14%
Saint Anselm College
August 26–27, 2025
1,776 (RV)
± 2.3%
48%
30%
22%
Quantus Insights (R)
Quantus Insights (R)
Poll source
Quantus Insights (R)
Date(s)administered
March 17–19, 2025
Samplesize
650 (RV)
Marginof error
± 3.8%
ChrisPappas (D)
44%
ChrisSununu (R)
53%
Undecided
3%
Poll source
Date(s)administered
Samplesize
Marginof error
ChrisPappas (D)
ChrisSununu (R)
Undecided
Quantus Insights (R)
March 17–19, 2025
650 (RV)
± 3.8%
44%
53%
3%
Praecones Analytica
Praecones Analytica
Poll source
Praecones Analytica
Date(s)administered
February 26 – March 1, 2025
Samplesize
626 (RV)
Marginof error
± 4.5%
JeanneShaheen (D)
46%
ChrisSununu (R)
54%
Undecided
–
Poll source
Date(s)administered
Samplesize
Marginof error
JeanneShaheen (D)
ChrisSununu (R)
Undecided
Praecones Analytica
February 26 – March 1, 2025
626 (RV)
± 4.5%
46%
54%
–
Praecones Analytica
Praecones Analytica
Poll source
Praecones Analytica
Date(s)administered
February 26 – March 1, 2025
Samplesize
626 (RV)
Marginof error
± 4.5%
JeanneShaheen (D)
59%
FrankEdelblut (R)
41%
Undecided
–
Poll source
Date(s)administered
Samplesize
Marginof error
JeanneShaheen (D)
FrankEdelblut (R)
Undecided
Praecones Analytica
February 26 – March 1, 2025
626 (RV)
± 4.5%
59%
41%
–
Praecones Analytica
Praecones Analytica
Poll source
Praecones Analytica
Date(s)administered
February 26 – March 1, 2025
Samplesize
626 (RV)
Marginof error
± 4.5%
JeanneShaheen (D)
55%
ScottBrown (R)
45%
Undecided
–
Poll source
Date(s)administered
Samplesize
Marginof error
JeanneShaheen (D)
ScottBrown (R)
Undecided
Praecones Analytica
February 26 – March 1, 2025
626 (RV)
± 4.5%
55%
45%
–
co/efficient (R)
co/efficient (R)
Poll source
co/efficient (R)
Date(s)administered
October 9–13, 2025
Samplesize
1,034 (LV)
Marginof error
± 3.1%
GenericDemocrat
47%
GenericRepublican
44%
Undecided
9%
Poll source
Date(s)administered
Samplesize
Marginof error
GenericDemocrat
GenericRepublican
Undecided
co/efficient (R)
October 9–13, 2025
1,034 (LV)
± 3.1%
47%
44%
9%

References

  1. Bob Smith, the incumbent senator at the time, ran for re-election to a third term in 2002, but lost in the Republican pr
  2. Key:A – all adultsRV – registered votersLV – likely votersV – unclear
  3. "Someone else" with 4%
  4. "Someone else" with 5%
  5. "Another candidate" with 2%
  6. "Another candidate" with 1%
  7. Poll sponsored by One Nation, a group aligned with the Senate Leadership Fund
  8. Poll sponsored by Trending Politics, a conservative news website
  9. Poll conducted for the NHJournal
  10. The New York Times
    https://www.nytimes.com/2025/03/12/us/politics/jeanne-shaheen-new-hampshire-senate-2026.html
  11. AP News
    https://apnews.com/article/new-hampshire-congress-election-2024-b9a8e05a7847c3ba93c424c2094a49a7
  12. New Hampshire Public Radio
    https://www.nhpr.org/nh-news/2024-11-06/nh-republicans-claim-big-state-house-wins-and-strengthen-majorities-in-house-and-senate
  13. The Hill
    https://thehill.com/homenews/senate/523894-shaheen-wins-reelection-in-new-hampshire/
  14. NH Journal
    https://nhjournal.com/progressive-manzur-to-challenge-establishment-dem-pappas-in-senate-primary/
  15. WMUR-TV
    https://www.wmur.com/article/chris-pappas-announces-run-for-us-senate-04032025/64370925
  16. The Caledonian-Record
    https://archive.today/20250927144017/https://www.caledonianrecord.com/news/local/bethlehem-state-rep-announces-u-s-senate-run/article_058fdea4-4138-5e19-950e-c168e7b219c7.html
  17. WMUR-TV
    https://www.wmur.com/article/maggie-goodlander-senate-run-decision-41725/64514504
  18. Axios
    https://www.axios.com/2025/03/12/chris-pappas-jeanne-shaheen-senate-new-hampshire
  19. WMUR-TV
    https://www.wmur.com/article/jeanne-shaheen-endorses-chris-pappas-senate-42425/64582798
  20. Andru Volinsky debuts new book on fight for education funding
    https://www.wmur.com/article/andru-volinsky-closeup-new-book-school-funding/64331862
  21. NH Journal
    https://nhjournal.com/both-parties-optimistic-about-nh01-fight-in-2026/?
  22. "Hassan backs Pappas as Dems unite in N.H."
    https://punchbowl.news/article/campaigns/hassan-pappas-democrats-unite-new-hampshire/
  23. New Hampshire Union Leader
    https://www.unionleader.com/news/politics/voters/ex-gov-john-and-wife-susan-lynch-endorse-pappas-for-senate/article_9ce6ccbf-7f5e-43d4-9d6f-e8ba48b85d7c.html
  24. LGBTQ+ Victory Fund
    https://victoryfund.org/news/lgbtq-victory-fund-endorses-chris-pappas-for-u-s-senate/
  25. www.afge.org
    https://www.afge.org/publication/largest-federal-employee-union-endorses-rep-chris-pappas-for-senate/
  26. candidates.aipacpac.org
    https://candidates.aipacpac.org/page/featured
  27. "End Citizens United Endorses Representative Chris Pappas for U.S. Senate"
    https://endcitizensunited.org/latest-news/press-releases/end-citizens-united-endorses-representative-chris-pappas-for-u-s-senate/
  28. giffords.org
    https://giffords.org/press-release/2025/07/giffords-pac-endorses-chris-pappas-for-us-senate/
  29. Granite Post
    https://granitepostnews.com/2025/08/11/exclusive-leading-climate-group-endorses-rep-chris-pappas-for-us-senate/
  30. Jewish Democratic Council of America
    https://jewishdems.org/endorsements/?nvep=&hmac=&emci=9969a04f-2f84-f011-b484-6045bdeb7413&emdi=ea000000-0000-0000-0000-000000000001&ceid=
  31. fec.gov
    https://www.fec.gov/data/elections/senate/NH/2026/
  32. UNH Scholars Repository
    https://scholars.unh.edu/cgi/viewcontent.cgi?article=1887&context=survey_center_polls
  33. WMUR-TV
    https://www.wmur.com/article/scott-brown-new-hampshire-us-senate-2026/65175908
  34. WMUR-TV
    https://www.wmur.com/article/john-e-sununu-campaign-senate-102225/69112692
  35. The Hotline
    https://go.nationaljournal.com/index.php/email/emailWebview?email=NTU2LVlFRS05NjkAAAGbA9gT3ohEHX2znL5gXC_gF-X_krvEDRdL6EcKncOBMI6vkyU6RlnpZjXtoObIMel0ih92Mp_oLRCxuZaNQynhAN75tC0QaF06eQ
  36. Walter McFarlane eyes U.S. Senate run, highlights fiscal issue
    https://www.wmur.com/article/walter-mcfarlane-eyes-us-senate-run-highlights-fiscal-issue-closeup/65147783
  37. NH Journal
    https://nhjournal.com/innis-suspends-us-senate-campaign-backs-john-e-sununu/
  38. The Downballot
    https://www.the-downballot.com/i/158958480/nh-sen
  39. The Boston Globe
    https://www.bostonglobe.com/2025/04/08/metro/nh-chris-sununu-says-he-will-not-run-us-senate-shaheen-pappas/
  40. NH Journal
    https://nhjournal.com/some-nh-republicans-eying-possible-open-congressional-seats-amid-goodlander-v-pappas-chatter/
  41. NH Journal
    https://nhjournal.com/lily-tang-williams-enters-2nd-cd-race-as-goodlander-considers-senate-run/
  42. CAVPAC
    https://cavpac.com/cavpac-in-action/?cycle=2026
  43. The Hill
    https://thehill.com/homenews/campaign/5574367-sununu-gop-endorsements-senate/
  44. The Downballot
    https://www.the-downballot.com/i/176872870/nh-sen
  45. https://www.foxnews.com/politics/former-gop-senator-running-flip-key-swing-state-seat-says-he-wants-work-president-trump
    https://www.foxnews.com/politics/former-gop-senator-running-flip-key-swing-state-seat-says-he-wants-work-president-trump.amp
  46. https://www.foxnews.com/politics/former-gop-senator-running-flip-key-swing-state-seat-says-he-wants-work-president-trump
    https://www.foxnews.com/politics/former-gop-senator-running-flip-key-swing-state-seat-says-he-wants-work-president-trump.amp
  47. NHJournal
    https://nhjournal.com/sununu-announces-run-nh-politics-reacts/
  48. https://www.foxnews.com/politics/former-gop-senator-running-flip-key-swing-state-seat-says-he-wants-work-president-trump
    https://www.foxnews.com/politics/former-gop-senator-running-flip-key-swing-state-seat-says-he-wants-work-president-trump.amp
  49. co/efficient
    https://coefficient.org/wp-content/uploads/2025/09/NH-U.S.-Senate-General-Election-2026.pdf
  50. Saint Anselm College
    https://www.anselm.edu/sites/default/files/2025-09/SACSC_NHRV_0825.pdf
  51. "GIOVONIZZI, MATTHEW S. FEC FORM 2 STATEMENT OF CANDIDACY FILING FEC-1885748"
    https://docquery.fec.gov/cgi-bin/forms/S6NH00158/1885748/
  52. Inside Elections
    https://www.insideelections.com/ratings/senate
  53. Cook Political Report
    https://www.cookpolitical.com/ratings/senate-race-ratings
  54. Sabato's Crystal Ball
    https://centerforpolitics.org/crystalball/2026-senate/
  55. Race to the WH
    https://www.racetothewh.com/senate/26
  56. co/efficient
    https://coefficient.org/new-hampshire-us-senate-2026-general-election/
  57. WMUR
    https://www.wmur.com/article/poll-pappas-republicans-senate-race-9325/65974049
  58. 1892 Polling
    https://punchbowl.news/wp-content/uploads/NHSEN_Poll2Memo_d2b_090625.pdf
  59. Quantus Insights
    https://quantusinsights.org/f/sununu-leads-pappas-in-hypothetical-new-hampshire-senate-matchup
  60. NHJournal
    https://nhjournal.com/exclusive-poll-age-issue-dogs-shaheen-trails-sununu-by-9-points/
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