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New Hampshire Senate Race 2026

Latest sourced poll, full poll history, Cook and DDHQ ratings, and candidates. Research snapshot checked 2026-10-22.

Latest poll

Chris Pappas (Democrat)50%
John E. Sununu (Republican)45%

National Public Affairs (R), fielded 2026-10-08 to 2026-10-12

Cook: Lean DDDHQ: 84% D

Cook rating 2026-10-20 · DDHQ forecast 2026-10-22. Win chance, not vote share.

n=600 / Unknown. Poliwave

Lead of 5 pts for Chris Pappas in a single poll. Not a win probability.

Ratings and forecast

Cook rating
Lean D
DDHQ rating
Likely D
DDHQ Dem win chance
84%
Currently held by
D

Cook source DDHQ source Forecast methodology

Candidates

  • Chris PappasDemocrat
  • John E. SununuRepublican

Seat / incumbent: OPEN (Shaheen)

Poll history (25)

PollsterField datesResultsSample / methodSource
National Public Affairs (R)2026-10-08 to 2026-10-12Chris Pappas (Democrat) 50%John E. Sununu (Republican) 45%n=600 / UnknownPoliwave Original release
YouGov2026-09-28 to 2026-10-05Chris Pappas (Democrat) 51%John E. Sununu (Republican) 43%n=1,520 / Not reported by sourceRealClearPolling Original release
Rasmussen Reports*2026-10-02 to 2026-10-04Chris Pappas (Democrat) 49%John E. Sununu (Republican) 44%n=979 / Not reported by sourceRealClearPolling Original release
St. Anselm2026-09-28 to 2026-09-29Chris Pappas (Democrat) 51%John E. Sununu (Republican) 44%n=1,042 / Not reported by sourceRealClearPolling Original release
Saint Anselm College2026-09-28 to 2026-09-29Chris Pappas (Democrat) 51%John E. Sununu (Republican) 44%n=1,042 / UnknownPoliwave Original release
Trafalgar Group*2026-09-26 to 2026-09-27Chris Pappas (Democrat) 47%John E. Sununu (Republican) 41%n=1,082 / Not reported by sourceRealClearPolling Original release
Trafalgar Group (R)2026-09-26 to 2026-09-27Chris Pappas (Democrat) 47%John E. Sununu (Republican) 41%n=1,082 / UnknownPoliwave Original release
NY Times/Siena2026-09-15 to 2026-09-22Chris Pappas (Democrat) 50%John E. Sununu (Republican) 45%n=613 / Not reported by sourceRealClearPolling Original release
New York Times/Siena University2026-09-15 to 2026-09-22Chris Pappas (Democrat) 50%John E. Sununu (Republican) 45%n=613 / UnknownPoliwave Original release
UNH2026-09-17 to 2026-09-21Chris Pappas (Democrat) 50%John E. Sununu (Republican) 42%n=1,418 / Not reported by sourceRealClearPolling Original release
University of New Hampshire2026-09-17 to 2026-09-21Chris Pappas (Democrat) 50%John E. Sununu (Republican) 42%n=1,418 / UnknownPoliwave Original release
InsiderAdvantage (R)2026-09-16 to 2026-09-17Chris Pappas (Democrat) 48%John E. Sununu (Republican) 40%n=1,200 / UnknownPoliwave Original release
co/efficient2026-09-09 to 2026-09-11Chris Pappas (Democrat) 46%John E. Sununu (Republican) 46%n=958 / Mobile text responses and landline interviews of likely general-election voters; weighted by age, gender, race, education, county, and party affiliation.Poliwave Original release
Rasmussen Reports (R)2026-09-08 to 2026-09-10Chris Pappas (Democrat) 45%John E. Sununu (Republican) 34%n=1,000 / UnknownPoliwave Original release
Fabrizio, Lee, & Associates (R)2026-08-27 to 2026-08-30John E. Sununu (Republican) 37%Chris Pappas (Democrat) 36%n=600 / UnknownPoliwave Original release
University of New Hampshire2026-08-20 to 2026-08-24John E. Sununu (Republican) 45%Chris Pappas (Democrat) 43%n=1,878 / UnknownPoliwave Original release
Saint Anselm College2026-08-17 to 2026-08-18Chris Pappas (Democrat) 48%John E. Sununu (Republican) 41%n=1,411 / UnknownPoliwave Original release
Peak Insights (R)2026-06-24 to 2026-06-27Chris Pappas (Democrat) 43%John E. Sununu (Republican) 42%n=500 / UnknownPoliwave Original release
Saint Anselm College2026-06-25Chris Pappas (Democrat) 47%John E. Sununu (Republican) 41%n=1,614 / UnknownPoliwave Original release
University of New Hampshire2026-06-23Chris Pappas (Democrat) 47%John E. Sununu (Republican) 44%n=2,232 / UnknownPoliwave
University of New Hampshire2026-04-21Chris Pappas (Democrat) 49%John E. Sununu (Republican) 42%n=1,295 / UnknownPoliwave Original release
Emerson College2026-03-21 to 2026-03-23Chris Pappas (Democrat) 45%John E. Sununu (Republican) 44%n=1,000 / UnknownPoliwave Original release
Saint Anselm College2026-03-18Chris Pappas (Democrat) 46%John E. Sununu (Republican) 43%n=1,491 / Saint Anselm College Survey Center online survey of 1,491 New Hampshire registered voters drawn from registered-voter cell-phone users; weighted for age, gender, geography, education, and 2024 presidential vote.Poliwave Original release
yes. every kid.2026-01-28 to 2026-01-29Chris Pappas (Democrat) 45%John E. Sununu (Republican) 41%n=563 / UnknownPoliwave Original release
University of New Hampshire2026-01-19Chris Pappas (Democrat) 50%John E. Sununu (Republican) 45%n=2,053 / UnknownPoliwave Original release

Polls via secondary aggregators, not independently audited. Not a live feed.

See this race in context on the tile map, colored by poll, DDHQ or Cook.

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