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Pollster file

University of New Hampshire Survey Center

Historical accuracy is measured against certified results. Current-cycle records come from the canonical, deduplicated archive and do not by themselves change the sealed forecast.

Historical polls
116
Mean absolute error
5.93percentage points
Historical bias
D+2.31
Represented cycles
132000–2022
Current archive
156canonical records
History span
Nov 3, 2000through Nov 4, 2022
Identity

Known names and relationships

Known aliases
University of New Hampshire
Organization type
Single canonical organization
Cycles represented
2000 · 2002 · 2004 · 2006 · 2008 · 2010 · 2012 · 2013 · 2014 · 2016 · 2018 · 2020 · 2022

116 eligible historical polls across 13 represented cycles passed the published history identity checks. Historical bias is descriptive and is kept separate from sponsor or client affiliation.

Canonical 2025–2026 archive

Current-cycle records

Archive source date 2026-09-09 · bundled copy. Archive records may be newer than the sealed forecast; inclusion here does not mean the forecast uses them.

12 shown · 156 total

Scott +8

Phil Scott 43% · Aly Richards 35% · June Goodband 2% · Dean Roy 1%

Field dates
Jul 15–Jul 20, 2026
Sample
954 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Moulton +20

Seth Moulton 50% · John Deaton 30%

Field dates
Jun 18–Jun 23, 2026
Sample
623 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
House

HOU-VT-AL

Balint +31

Becca Balint 57% · Gerald Malloy 26%

Field dates
Jun 18–Jun 23, 2026
Sample
237 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Pappas +14

Chris Pappas 52% · Scott Brown 38%

Field dates
Jun 18–Jun 23, 2026
Sample
2,232 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Tied

Dan McKee 27% · Republican 23% · Ken Block 27%

Field dates
Jun 18–Jun 23, 2026
Sample
664 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Lamont +13

Ned Lamont 49% · Ryan Fazio 36%

Field dates
Jun 18–Jun 23, 2026
Sample
828 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Reed +18

Jack Reed 52% · Raymond McKay 34%

Field dates
Jun 18–Jun 23, 2026
Sample
664 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Pappas +3

Chris Pappas 47% · John Sununu 44%

Field dates
Jun 18–Jun 23, 2026
Sample
2,232 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Foulkes +16

Helena Foulkes 38% · Republican 22% · Ken Block 19%

Field dates
Jun 18–Jun 23, 2026
Sample
664 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Healy +19

Maura Healy 51% · Michael Minogue 32%

Field dates
Jun 18–Jun 23, 2026
Sample
623 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Scott +15

Amanda Janoo 27% · Phil Scott 42%

Field dates
Jun 18–Jun 23, 2026
Sample
511 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Markey +16

Ed Markey 50% · John Deaton 34%

Field dates
Jun 18–Jun 23, 2026
Sample
623 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
See this pollster in the Full Poll Archive →
Certified-result history

Eligible historical observations

50 shown · 116 total

CycleRaceTypeField endSamplePollResultError
20222022_Sen-G_NHSen-G2022-11-042,077D+2.0D+9.1R+7.1
20222022_House-G_NH-2House-G2022-11-041,027D+8.0D+11.7R+3.7
20222022_House-G_NH-1House-G2022-11-041,043D+1.0D+8.1R+7.1
20222022_House-G_ME-2House-G2022-11-04433D+1.0D+3.7R+2.7
20222022_House-G_ME-1House-G2022-11-04477D+19.0D+25.9R+6.9
20222022_Gov-G_NHGov-G2022-11-042,077R+12.0R+15.6D+3.6
20222022_Gov-G_MEGov-G2022-11-04922D+8.0D+13.2R+5.2
20202020_Sen-G_NHSen-G2020-10-26864D+11.0D+15.7R+4.7
20202020_Pres-G_NHPres-G2020-10-26864D+8.0D+7.4D+0.6
20202020_House-G_NH-2House-G2020-10-26412D+10.0D+10.2R+0.2
20202020_House-G_NH-1House-G2020-10-26451R+2.0D+5.1R+7.1
20202020_Gov-G_NHGov-G2020-10-26864R+24.0R+31.8D+7.8
20182018_House-G_NH-2House-G2018-11-03321D+21.0D+13.4D+7.6
20182018_House-G_NH-1House-G2018-11-03309D+13.0D+8.6D+4.5
20182018_Gov-G_NHGov-G2018-11-036300R+7.0D+7.0
20162016_Sen-G_NHSen-G2016-11-05692D+4.0D+0.1D+3.9
20162016_Pres-G_NHPres-G2016-11-05692D+11.0D+0.4D+10.6
20162016_House-G_NH-2House-G2016-11-05322D+21.0D+4.4D+16.6
20162016_House-G_NH-1House-G2016-11-05323D+9.0D+1.3D+7.7
20162016_Gov-G_NHGov-G2016-11-05671D+11.0R+2.3D+13.3
20162016_Sen-G_NHSen-G2016-11-01466D+7.0D+0.1D+6.9
20162016_Pres-G_NHPres-G2016-11-01466D+7.0D+0.4D+6.6
20162016_House-G_NH-2House-G2016-11-01221D+23.0D+4.4D+18.6
20162016_House-G_NH-1House-G2016-11-01219D+7.0D+1.3D+5.7
20162016_Gov-G_NHGov-G2016-11-01455D+8.0R+2.3D+10.3
20162016_Sen-G_NHSen-G2016-10-28516D+1.0D+0.1D+0.9
20162016_Pres-G_NHPres-G2016-10-28516D+8.0D+0.4D+7.6
20162016_House-G_NH-2House-G2016-10-28237D+15.0D+4.4D+10.6
20162016_House-G_NH-1House-G2016-10-28239D+4.0D+1.3D+2.7
20162016_Gov-G_NHGov-G2016-10-28503D+1.0R+2.3D+3.3
20162016_Pres-G_MEPres-G2016-10-23670D+11.0D+3.0D+8.0
20162016_Pres-G_M2Pres-G2016-10-23341D+3.0R+10.3D+13.3
20162016_Pres-G_M1Pres-G2016-10-23329D+20.0D+14.8D+5.2
20162016_House-G_ME-2House-G2016-10-23314D+2.0R+9.6D+11.6
20162016_House-G_ME-1House-G2016-10-23299D+33.0D+16.1D+16.9
20142014_Sen-G_NHSen-G2014-10-31757D+2.0D+3.3R+1.3
20142014_House-G_NH-2House-G2014-10-31352D+7.0D+10.0R+3.0
20142014_House-G_NH-1House-G2014-10-31405R+1.0R+3.6D+2.6
20142014_Gov-G_NHGov-G2014-10-31747D+4.0D+5.0R+1.0
20142014_Sen-G_NHSen-G2014-10-24555D+8.0D+3.3D+4.7
20142014_House-G_NH-2House-G2014-10-24294D+23.0D+10.0D+13.0
20142014_House-G_NH-1House-G2014-10-24261D+4.0R+3.6D+7.6
20142014_Gov-G_NHGov-G2014-10-24555D+15.0D+5.0D+10.0
20142014_Sen-G_MESen-G2014-10-18667R+35.0R+37.0D+2.0
20142014_House-G_ME-2House-G2014-10-18291R+1.0R+5.2D+4.2
20142014_House-G_ME-1House-G2014-10-18348D+38.0D+29.8D+8.2
20142014_Gov-G_MEGov-G2014-10-18639R+10.0R+4.8R+5.2
20132013_Sen-GS_MASen-G2013-06-13508D+13.0D+10.2D+2.8
20122012_Pres-G_NHPres-G2012-11-03783D+4.0D+5.6R+1.6
20122012_House-G_NH-2House-G2012-11-03411D+7.0D+4.8D+2.2

Method · historical final-three-week D/R general-election rows plus verified historical supplement; min n=5

Definition · bias_D is poll D-R margin minus actual D-R margin; positive overstates Democrats.

A missing sample, sponsor or source is labeled unavailable; it is never reconstructed.

Poll data via VoteHub, used under CC BY 4.0. Poll data from The New York Times, used under CC BY 4.0.