D

New Hampshire Senate Race 2026

Latest sourced poll, full poll history, Cook and DDHQ ratings, and candidates. Research snapshot checked 2026-11-02.

Latest poll

Chris Pappas (Democrat)54%
John E. Sununu (Republican)42%

UNH, fielded 2026-10-27 to 2026-10-31

Cook: Lean DDDHQ: 88% D

Cook rating 2026-10-30 · DDHQ forecast 2026-11-02. Win chance, not vote share.

n=2,040 / LV; primary release not located; aggregator listing. pollcheck.co.uk

Lead of 12 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
88%
Currently held by
D

Cook source DDHQ source Forecast methodology

Candidates

  • Chris PappasDemocrat
  • John E. SununuRepublican

Seat / incumbent: OPEN (Shaheen)

Poll history (29)

PollsterField datesResultsSample / methodSource
UNH2026-10-27 to 2026-10-31Chris Pappas (Democrat) 54%John E. Sununu (Republican) 42%n=2,040 / LV; primary release not located; aggregator listingpollcheck.co.uk Original release
Rasmussen (R)2026-10-20 to 2026-10-23Chris Pappas (Democrat) 50%John E. Sununu (Republican) 44%n=970 / LV; Rasmussen (R); sponsor not suppliedpollcheck.co.uk Original release
Saint Anselm College2026-10-19 to 2026-10-20Chris Pappas (Democrat) 50%John E. Sununu (Republican) 43%n=1,672 / LV270towin.com Original release
National Public Affairs (R)2026-10-08 to 2026-10-12Chris Pappas (Democrat) 50%John E. Sununu (Republican) 45%n=600 / Unknownpoliwave.com Original release
YouGov2026-09-28 to 2026-10-05Chris Pappas (Democrat) 51%John E. Sununu (Republican) 43%n=1,520 / Not reported by sourcerealclearpolling.com 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.com 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.com Original release
Saint Anselm College2026-09-28 to 2026-09-29Chris Pappas (Democrat) 51%John E. Sununu (Republican) 44%n=1,042 / Unknownpoliwave.com 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.com Original release
Trafalgar Group (R)2026-09-26 to 2026-09-27Chris Pappas (Democrat) 47%John E. Sununu (Republican) 41%n=1,082 / Unknownpoliwave.com 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.com Original release
New York Times/Siena University2026-09-15 to 2026-09-22Chris Pappas (Democrat) 50%John E. Sununu (Republican) 45%n=613 / Unknownpoliwave.com Original release
UNH2026-09-17 to 2026-09-21Chris Pappas (Democrat) 50%John E. Sununu (Republican) 42%n=1,418 / Not reported by sourcerealclearpolling.com Original release
University of New Hampshire2026-09-17 to 2026-09-21Chris Pappas (Democrat) 50%John E. Sununu (Republican) 42%n=1,418 / Unknownpoliwave.com Original release
InsiderAdvantage (R)2026-09-16 to 2026-09-17Chris Pappas (Democrat) 48%John E. Sununu (Republican) 40%n=1,200 / Unknownpoliwave.com 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.com Original release
Rasmussen Reports (R)2026-09-08 to 2026-09-10Chris Pappas (Democrat) 45%John E. Sununu (Republican) 34%n=1,000 / Unknownpoliwave.com Original release
Fabrizio, Lee, & Associates (R)2026-08-27 to 2026-08-30John E. Sununu (Republican) 37%Chris Pappas (Democrat) 36%n=600 / Unknownpoliwave.com Original release
University of New Hampshire2026-08-20 to 2026-08-24John E. Sununu (Republican) 45%Chris Pappas (Democrat) 43%n=1,878 / Unknownpoliwave.com Original release
Saint Anselm College2026-08-17 to 2026-08-18Chris Pappas (Democrat) 48%John E. Sununu (Republican) 41%n=1,411 / Unknownpoliwave.com Original release
Peak Insights (R)2026-06-24 to 2026-06-27Chris Pappas (Democrat) 43%John E. Sununu (Republican) 42%n=500 / Unknownpoliwave.com Original release
Saint Anselm College2026-06-25Chris Pappas (Democrat) 47%John E. Sununu (Republican) 41%n=1,614 / Unknownpoliwave.com Original release
University of New Hampshire2026-06-23Chris Pappas (Democrat) 47%John E. Sununu (Republican) 44%n=2,232 / Unknownpoliwave.com
University of New Hampshire2026-04-21Chris Pappas (Democrat) 49%John E. Sununu (Republican) 42%n=1,295 / Unknownpoliwave.com Original release
Emerson College2026-03-21 to 2026-03-23Chris Pappas (Democrat) 45%John E. Sununu (Republican) 44%n=1,000 / Unknownpoliwave.com 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.com Original release
yes. every kid.2026-01-28 to 2026-01-29Chris Pappas (Democrat) 45%John E. Sununu (Republican) 41%n=563 / Unknownpoliwave.com Original release
University of New Hampshire2026-01-19Chris Pappas (Democrat) 50%John E. Sununu (Republican) 45%n=2,053 / Unknownpoliwave.com Original release
AtlasIntelField dates not suppliedChris Pappas (Democrat) 52%John E. Sununu (Republican) 44%n unknown / LV; primary release not located; aggregator listing; Listed Nov 2; field dates not statedrealclearpolling.com 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.

Open the polling map All races
D
Elect Democrats

An independent site dedicated to tracking 2026 midterm races and supporting Democratic candidates who fight for working families, protect fundamental rights, and strengthen our democracy.

This site is not affiliated with the Democratic National Committee (DNC), the Democratic Congressional Campaign Committee (DCCC), the Democratic Senatorial Campaign Committee (DSCC), or any candidate or candidate's committee. It is independently operated. Donation links lead to ActBlue, a third-party fundraising platform.

Connect

Not authorized by any candidate or candidate's committee. Not affiliated with the DNC, DCCC, or DSCC.

© 2026 Elect Democrats. All rights reserved.