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Pollster file

TIPP Insights

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
45
Mean absolute error
2.24percentage points
Historical bias
R+0.17
Represented cycles
82000–2024
Current archive
73canonical records
History span
Oct 21, 2000through Nov 4, 2024
Identity

Known names and relationships

Known aliases
I&I/TIPP · TIPP · TIPP Insights (R)
Organization type
Single canonical organization
Cycles represented
2000 · 2004 · 2008 · 2012 · 2016 · 2018 · 2020 · 2024

45 eligible historical polls across 8 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 2026-10-24. Archive records may be newer than the sealed forecast; inclusion here does not mean the forecast uses them.

12 shown · 73 total

Generic ballot

Generic ballot

Dem +4

Dem 46% · Rep 42%

Field dates
Sep 29–Oct 1, 2026
Sample
1,328 RV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Klobuchar +9.8

Don't know 4.22% · Someone else 3.2% · Steven Young 3.08% · Lisa Demuth 39.83% · Amy Klobuchar 49.67%

Field dates
Aug 31–Sep 2, 2026
Sample
1,192 LV
Sponsor / client
League of American Workers
Partisan sponsorship
Republican-sponsored
Flanagan +2.1

Don't know 7.95% · Someone else 2.23% · Rebecca Whiting 1.02% · Marisa Simonetti 2.99% · Peggy Flanagan 43.96% · Michele Tafoya 41.86%

Field dates
Aug 31–Sep 2, 2026
Sample
1,192 LV
Sponsor / client
League of American Workers
Partisan sponsorship
Republican-sponsored
Klobuchar +9.9

Don't know 8.56% · Someone else 4.24% · Steven Young 3.88% · Lisa Demuth 36.71% · Amy Klobuchar 46.61%

Field dates
Aug 31–Sep 2, 2026
Sample
1,494 RV
Sponsor / client
League of American Workers
Partisan sponsorship
Republican-sponsored
Flanagan +2

Don't know 13.72% · Someone else 3.09% · Rebecca Whiting 1.13% · Marisa Simonetti 4.08% · Peggy Flanagan 39.99% · Michele Tafoya 37.98%

Field dates
Aug 31–Sep 2, 2026
Sample
1,494 RV
Sponsor / client
League of American Workers
Partisan sponsorship
Republican-sponsored
See this pollster in the Full Poll Archive →
Certified-result history

Eligible historical observations

45 shown · 45 total

CycleRaceTypeField endSamplePollResultError
2024national · PresidentPres-G2024-11-04—R+0.3R+1.5D+1.2
2024national · PresidentPres-G2024-11-03—R+0.3R+1.5D+1.2
2024national · PresidentPres-G2024-11-02—R+1.0R+1.5D+0.5
2024national · PresidentPres-G2024-10-31—R+0.7R+1.5D+0.8
2024national · PresidentPres-G2024-10-30—0R+1.5D+1.5
2024WI · PresidentPres-G2024-10-30—D+2.0R+0.9D+2.9
2024national · PresidentPres-G2024-10-29—D+1.0R+1.5D+2.5
2024national · PresidentPres-G2024-10-28—D+1.0R+1.5D+2.5
2024national · PresidentPres-G2024-10-25—0R+1.5D+1.5
2024national · PresidentPres-G2024-10-24—D+2.0R+1.5D+3.5
2024national · PresidentPres-G2024-10-23—D+3.0R+1.5D+4.5
2024national · PresidentPres-G2024-10-22—D+2.0R+1.5D+3.5
2024national · PresidentPres-G2024-10-21—0R+1.5D+1.5
2024national · PresidentPres-G2024-10-20—R+1.0R+1.5D+0.5
2024GA · PresidentPres-G2024-10-16—D+3.0R+2.2D+5.2
2024national · PresidentPres-G2024-10-15—D+4.0R+1.5D+5.5
2020national · PresidentPres-G2020-10-311,212D+4.4D+4.5R+0.1
2020national · PresidentPres-G2020-10-26945D+5.1D+4.5D+0.6
2020national · PresidentPres-G2020-10-211,029D+6.0D+4.5D+1.5
2020national · PresidentPres-G2020-10-16949D+5.7D+4.5D+1.2
2018national · HouseHouse-G2018-10-30798D+9.0D+8.8D+0.3
2016national · PresidentPres-G2016-11-061,107R+0.3D+2.1R+2.4
2016national · PresidentPres-G2016-11-01898D+0.8D+2.1R+1.3
2016national · PresidentPres-G2016-10-271,039D+3.0D+2.1D+0.9
2016national · PresidentPres-G2016-10-21815R+0.1D+2.1R+2.2
2012national · PresidentPres-G2012-11-04712D+1.6D+3.9R+2.3
2012national · PresidentPres-G2012-10-25942D+1.3D+3.9R+2.5
2012national · PresidentPres-G2012-10-19885D+4.0D+3.9D+0.1
2008national · PresidentPres-G2008-11-02981D+4.7D+7.3R+2.6
2008national · PresidentPres-G2008-10-29970D+4.4D+7.3R+2.9
2008national · PresidentPres-G2008-10-24886D+3.7D+7.3R+3.6
2008national · PresidentPres-G2008-10-21886D+1.1D+7.3R+6.2
2008national · PresidentPres-G2008-10-191,050D+6.0D+7.3R+1.3
2008national · PresidentPres-G2008-10-181,100D+5.3D+7.3R+2.0
2008national · PresidentPres-G2008-10-14850D+3.6D+7.3R+3.7
2004national · PresidentPres-G2004-10-311,284R+3.3R+2.5R+0.8
2004national · PresidentPres-G2004-10-281,000R+2.0R+2.5D+0.5
2004national · PresidentPres-G2004-10-241,000R+5.0R+2.5R+2.5
2004national · PresidentPres-G2004-10-201,000R+0.5R+2.5D+2.0
2004national · PresidentPres-G2004-10-161,000R+3.5R+2.5R+1.0
2004national · PresidentPres-G2004-10-121,000R+3.5R+2.5R+1.0
2000national · PresidentPres-G2000-11-051,292R+1.9D+0.5R+2.4
2000national · PresidentPres-G2000-11-02883R+7.0D+0.5R+7.5
2000national · PresidentPres-G2000-10-301,016R+4.0D+0.5R+4.5
2000national · PresidentPres-G2000-10-21829R+2.0D+0.5R+2.5

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.