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Joint polling team

The New York Times/Siena College

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
101
Mean absolute error
3.98percentage points
Historical bias
D+1.22
Represented cycles
62016–2024
Current archive
36canonical records
History span
Oct 22, 2016through Nov 2, 2024
Identity

Known names and relationships

Known aliases
New York Times/Siena College · New York Times/Siena University · The New York Times/Portland Press Herald/Siena University · The New York Times/Siena College/The Philadelphia Inquirer · The New York Times/Siena University · The New York Times/The Philadelphia Inquirer/Siena University
Participating organizations
The New York Times · Siena College
Cycles represented
2016 · 2017 · 2018 · 2020 · 2022 · 2024

101 eligible historical polls across 6 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 · 36 total

Sullivan +2

Mary Peltola 45% · Dan Sullivan 47%

Field dates
Jun 15–Jun 29, 2026
Sample
593 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Begich +12

Nick Begich 51% · Matt Schultz 39%

Field dates
Jun 15–Jun 29, 2026
Sample
593 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Husted +3

Jon Husted 50% · Sherrod Brown 47%

Field dates
Jun 15–Jun 28, 2026
Sample
601 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Tied

Amy Acton 47% · Vivek Ramaswamy 47%

Field dates
Jun 15–Jun 28, 2026
Sample
601 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Hinson +2

Ashley Hinson 48% · Josh Turek 46%

Field dates
Jun 15–Jun 27, 2026
Sample
600 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Abbott +7

Greg Abbott 51% · Gina Hinojosa 44%

Field dates
Jun 19–Jun 27, 2026
Sample
656 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Tied

James Talarico 47% · Ken Paxton 47%

Field dates
Jun 19–Jun 27, 2026
Sample
656 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Platner +2

Graham Platner 49% · Susan Collins 47%

Field dates
Jun 19–Jun 26, 2026
Sample
608 LV
Sponsor / client
Portland Press Herald
Partisan sponsorship
No partisan sponsorship flag
Pingree +14

Hannah Pingree 50% · Bobby Charles 36% · Rick Bennett 8%

Field dates
Jun 19–Jun 26, 2026
Sample
608 LV
Sponsor / client
Portland Press Herald
Partisan sponsorship
No partisan sponsorship flag
Pingree +15

Hannah Pingree 55% · Bobby Charles 40%

Field dates
Jun 19–Jun 26, 2026
Sample
608 LV
Sponsor / client
Portland Press Herald
Partisan sponsorship
No partisan sponsorship flag
See this pollster in the Full Poll Archive →
Certified-result history

Eligible historical observations

1 shown · 101 total

CycleRaceTypeField endSamplePollResultError
20162016_Gov-G_NCGov-G2016-10-22792D+6.0D+0.2D+5.8

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.