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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

Primary · D primary

Massachusetts · Senate

Markey +12

Ed Markey 35% · Seth Moulton 23% · Alexander Rikleen 7%

Field dates: Feb 16, 2026
Sample: 352 LV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Race

HOU-ME-02

LePage +1

Don't know 5% · Someone else 1% · Paul LePage 48% · Joe Baldacci 47%

Field dates: Feb 12–Feb 16, 2026
Sample: 520 LV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Race

Massachusetts · Senate

Markey +29

Don't know 15% · Someone else 2% · Ed Markey 56% · John Deaton 27%

Field dates: Feb 12–Feb 16, 2026
Sample: 616 LV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Race

Massachusetts · Senate

Moulton +36

Don't know 16% · Someone else 2% · Seth Moulton 59% · John Deaton 23%

Field dates: Feb 12–Feb 16, 2026
Sample: 611 LV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Race

Massachusetts · Governor

Healey +29

Don't know 15% · Someone else 2% · Mike Minogue 27% · Maura Healey 56%

Field dates: Feb 12–Feb 16, 2026
Sample: 612 LV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Race

HOU-ME-02

LePage +1

Don't know 6% · Someone else 0% · Paul LePage 47% · Matt Dunlap 46%

Field dates: Feb 12–Feb 16, 2026
Sample: 520 LV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Race

Maine · Senate

Platner +11

Don't know 9% · Someone else 4% · Graham Platner 49% · Susan Collins 38%

Field dates: Feb 12–Feb 16, 2026
Sample: 1,105 LV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Primary · D primary

Rhode Island · Governor

Foulkes +16

Helena Foulkes 34% · Dan McKee 18% · Gregory Stevens 4%

Field dates: Feb 16, 2026
Sample: 364 LV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Primary · D primary

Connecticut · Governor

Lamont +44

Ned Lamont 57% · Josh Elliott 13%

Field dates: Feb 16, 2026
Sample: 174 LV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Race

Massachusetts · Governor

Healey +27

Don't know 16% · Someone else 2% · Mike Kennealy 28% · Maura Healey 55%

Field dates: Feb 12–Feb 16, 2026
Sample: 612 LV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Race

New Hampshire · Governor

Ayotte +8

Don't know 10% · Someone else 0% · Deaglan McEachern 41% · Kelly Ayotte 49%

Field dates: Jan 15–Jan 19, 2026
Sample: 2,027 LV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Race

HOU-NH-02

Goodlander +14

Don't know 3% · Someone else 2% · Lily Tang Williams 40% · Maggie Goodlander 54%

Field dates: Jan 15–Jan 19, 2026
Sample: 1,094 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

Cycle	Race	Type	Field end	Sample	Poll	Result	Error
2012	2012_House-G_NH-1	House-G	2012-11-03	365	0	D+3.8	R+3.8
2012	2012_Gov-G_NH	Gov-G	2012-11-03	789	D+9.0	D+12.1	R+3.1
2012	2012_Pres-G_NH	Pres-G	2012-11-01	502	0	D+5.6	R+5.6
2012	2012_Gov-G_NH	Gov-G	2012-11-01	502	D+5.0	D+12.1	R+7.1
2012	2012_Sen-G_MA	Sen-G	2012-10-26	583	0	D+7.5	R+7.5
2012	2012_Pres-G_MA	Pres-G	2012-10-26	583	D+14.0	D+23.2	R+9.2
2012	2012_Pres-G_NH	Pres-G	2012-10-19	773	D+9.0	D+5.6	D+3.4
2012	2012_House-G_NH-2	House-G	2012-10-19	408	D+3.0	D+4.8	R+1.8
2012	2012_House-G_NH-1	House-G	2012-10-19	364	R+3.0	D+3.8	R+6.8
2012	2012_Gov-G_NH	Gov-G	2012-10-19	773	D+8.0	D+12.1	R+4.1
2010	2010_Sen-G_NH	Sen-G	2010-10-29	885	R+18.0	R+23.2	D+5.2
2010	2010_House-G_NH-2	House-G	2010-10-29	451	D+3.0	R+1.6	D+4.6
2010	2010_House-G_NH-1	House-G	2010-10-29	434	R+7.0	R+11.6	D+4.6
2010	2010_Gov-G_NH	Gov-G	2010-10-29	885	D+7.0	D+7.6	R+0.6
2010	2010_House-G_MA-4	House-G	2010-10-20	385	D+13.0	D+10.5	D+2.5
2010	2010_House-G_MA-10	House-G	2010-10-20	349	D+4.0	D+4.5	R+0.5
2010	2010_Gov-G_MA	Gov-G	2010-10-20	519	D+4.0	D+6.4	R+2.4
2010	2010_Sen-GS_MA	Sen-G	2010-01-04	554	D+17.0	R+4.8	D+21.8
2008	2008_Sen-G_NH	Sen-G	2008-11-01	816	D+6.0	D+6.3	R+0.3
2008	2008_Pres-G_NH	Pres-G	2008-11-01	812	D+11.0	D+9.6	D+1.4
2008	2008_House-G_NH-2	House-G	2008-11-01	404	D+21.0	D+15.0	D+6.0
2008	2008_House-G_NH-1	House-G	2008-11-01	413	D+5.0	D+5.9	R+0.9
2008	2008_Gov-G_NH	Gov-G	2008-11-01	831	D+47.0	D+42.6	D+4.4
2008	2008_Sen-G_NH	Sen-G	2008-10-28	687	D+5.0	D+6.3	R+1.3
2008	2008_Pres-G_NH	Pres-G	2008-10-28	692	D+16.0	D+9.6	D+6.4
2008	2008_House-G_NH-2	House-G	2008-10-28	303	D+28.0	D+15.0	D+13.0
2008	2008_House-G_NH-1	House-G	2008-10-28	308	D+3.0	D+5.9	R+2.9
2008	2008_Gov-G_NH	Gov-G	2008-10-28	619	D+51.0	D+42.6	D+8.4
2008	2008_Sen-G_NH	Sen-G	2008-10-25	687	D+11.0	D+6.3	D+4.7
2008	2008_Pres-G_NH	Pres-G	2008-10-25	692	D+16.0	D+9.6	D+6.4
2008	2008_House-G_NH-2	House-G	2008-10-25	344	D+22.0	D+15.0	D+7.0
2008	2008_House-G_NH-1	House-G	2008-10-25	341	D+8.0	D+5.9	D+2.1
2008	2008_Gov-G_NH	Gov-G	2008-10-25	698	D+50.0	D+42.6	D+7.4
2008	2008_Sen-G_NH	Sen-G	2008-10-20	725	D+13.0	D+6.3	D+6.7
2008	2008_Pres-G_NH	Pres-G	2008-10-20	725	D+15.0	D+9.6	D+5.4
2008	2008_House-G_NH-2	House-G	2008-10-20	349	D+26.0	D+15.0	D+11.0
2008	2008_House-G_NH-1	House-G	2008-10-20	358	D+5.0	D+5.9	R+0.9
2008	2008_Gov-G_NH	Gov-G	2008-10-20	725	D+50.0	D+42.6	D+7.4
2006	2006_House-G_NH-2	House-G	2006-11-04	304	D+4.5	D+7.1	R+2.6
2006	2006_House-G_NH-1	House-G	2006-11-04	331	R+9.0	D+2.6	R+11.6
2006	2006_Gov-G_NH	Gov-G	2006-11-04	641	D+56.0	D+48.3	D+7.7
2006	2006_House-G_NH-2	House-G	2006-10-31	320	0	D+7.1	R+7.1
2006	2006_House-G_NH-1	House-G	2006-10-31	340	R+5.0	D+2.6	R+7.6
2006	2006_Gov-G_NH	Gov-G	2006-10-31	663	D+52.0	D+48.3	D+3.7
2006	2006_Sen-G_MA	Sen-G	2006-10-24	585	D+41.0	D+38.8	D+2.2
2006	2006_Gov-G_MA	Gov-G	2006-10-24	585	D+25.0	D+20.3	D+4.7
2004	2004_Sen-G_NH	Sen-G	2004-10-30	957	R+36.0	R+32.5	R+3.5
2004	2004_Pres-G_NH	Pres-G	2004-10-30	963	D+1.0	D+1.4	R+0.4
2004	2004_House-G_NH-2	House-G	2004-10-30	464	R+18.0	R+20.1	D+2.1
2004	2004_House-G_NH-1	House-G	2004-10-30	492	R+19.0	R+26.8	D+7.8

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.