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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
91canonical 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 2026-09-09 · bundled copy. Archive records may be newer than the sealed forecast; inclusion here does not mean the forecast uses them.

12 shown · 91 total

Rodriguez +0.8

Don't know 14.68% · Someone else 5.93% · Sara Rodriguez 40.1% · Tom Tiffany 39.29%

Field dates
Mar 13–Mar 19, 2026
Sample
1,495 RV
Sponsor / client
League of American Workers
Partisan sponsorship
Republican-sponsored
Barnes +2.3

Don't know 10.09% · Someone else 6.2% · Mandela Barnes 42.99% · Tom Tiffany 40.72%

Field dates
Mar 13–Mar 19, 2026
Sample
1,168 LV
Sponsor / client
League of American Workers
Partisan sponsorship
Republican-sponsored
Rodriguez +2.6

Don't know 9.99% · Someone else 4.94% · Sara Rodriguez 43.82% · Tom Tiffany 41.25%

Field dates
Mar 13–Mar 19, 2026
Sample
1,168 LV
Sponsor / client
League of American Workers
Partisan sponsorship
Republican-sponsored
Crowley +1.5

Don't know 11.92% · Someone else 4.9% · David Crowley 42.34% · Tom Tiffany 40.84%

Field dates
Mar 13–Mar 19, 2026
Sample
1,168 LV
Sponsor / client
League of American Workers
Partisan sponsorship
Republican-sponsored
Barnes +1.5

Don't know 14.78% · Someone else 7.49% · Mandela Barnes 39.62% · Tom Tiffany 38.1%

Field dates
Mar 13–Mar 19, 2026
Sample
1,495 RV
Sponsor / client
League of American Workers
Partisan sponsorship
Republican-sponsored
Tiffany +3.8

Don't know 16.42% · Someone else 6.67% · Francesca Hong 36.55% · Tom Tiffany 40.36%

Field dates
Mar 13–Mar 19, 2026
Sample
1,495 RV
Sponsor / client
League of American Workers
Partisan sponsorship
Republican-sponsored
Crowley +1.1

Don't know 16.71% · Someone else 5.84% · David Crowley 39.28% · Tom Tiffany 38.16%

Field dates
Mar 13–Mar 19, 2026
Sample
1,495 RV
Sponsor / client
League of American Workers
Partisan sponsorship
Republican-sponsored
Primary · D primary

Wisconsin · Governor

Barnes +8

Mandela Barnes 28% · Joel Brennan 0% · David Crowley 7% · Francesca Hong 5% · Sara Rodriguez 20% · Kelda Roys 2% · Missy Hughes 1%

Field dates
Feb 12, 2026
Sample
1,524 RV
Sponsor / client
Not reported in archive
Partisan sponsorship
Republican-sponsored
Primary · R primary

Wisconsin · Governor

Hovde +8

Eric Hovde 25% · Josh Schoemann 5% · Tim Michels 12% · Tom Tiffany 17%

Field dates
Nov 21, 2025
Sample
586 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
Republican-sponsored
Primary · D primary

Wisconsin · Governor

Barnes +15

David Crowley 6% · Mandela Barnes 21% · Sara Rodriguez 6%

Field dates
Nov 21, 2025
Sample
589 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
Republican-sponsored
Ossoff +3.2

Don't know 12.91% · Someone else 3.24% · Buddy Carter 40.34% · Jon Ossoff 43.51%

Field dates
Jul 28–Aug 1, 2025
Sample
2,956 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
20202020_Pres-G_USPres-G2020-10-311,212D+4.4D+4.5R+0.1
20202020_Pres-G_USPres-G2020-10-26945D+5.1D+4.5D+0.6
20202020_Pres-G_USPres-G2020-10-211,029D+6.0D+4.5D+1.5
20202020_Pres-G_USPres-G2020-10-16949D+5.7D+4.5D+1.2
20182018_House-G_USHouse-G2018-10-30798D+9.0D+8.8D+0.3
20162016_Pres-G_USPres-G2016-11-061,107R+0.3D+2.1R+2.4
20162016_Pres-G_USPres-G2016-11-01898D+0.8D+2.1R+1.3
20162016_Pres-G_USPres-G2016-10-271,039D+3.0D+2.1D+0.9
20162016_Pres-G_USPres-G2016-10-21815R+0.1D+2.1R+2.2
20122012_Pres-G_USPres-G2012-11-04712D+1.6D+3.9R+2.3
20122012_Pres-G_USPres-G2012-10-25942D+1.3D+3.9R+2.5
20122012_Pres-G_USPres-G2012-10-19885D+4.0D+3.9D+0.1
20082008_Pres-G_USPres-G2008-11-02981D+4.7D+7.3R+2.6
20082008_Pres-G_USPres-G2008-10-29970D+4.4D+7.3R+2.9
20082008_Pres-G_USPres-G2008-10-24886D+3.7D+7.3R+3.6
20082008_Pres-G_USPres-G2008-10-21886D+1.1D+7.3R+6.2
20082008_Pres-G_USPres-G2008-10-191,050D+6.0D+7.3R+1.3
20082008_Pres-G_USPres-G2008-10-181,100D+5.3D+7.3R+2.0
20082008_Pres-G_USPres-G2008-10-14850D+3.6D+7.3R+3.7
20042004_Pres-G_USPres-G2004-10-311,284R+3.3R+2.5R+0.8
20042004_Pres-G_USPres-G2004-10-281,000R+2.0R+2.5D+0.5
20042004_Pres-G_USPres-G2004-10-241,000R+5.0R+2.5R+2.5
20042004_Pres-G_USPres-G2004-10-201,000R+0.5R+2.5D+2.0
20042004_Pres-G_USPres-G2004-10-161,000R+3.5R+2.5R+1.0
20042004_Pres-G_USPres-G2004-10-121,000R+3.5R+2.5R+1.0
20002000_Pres-G_USPres-G2000-11-051,292R+1.9D+0.5R+2.4
20002000_Pres-G_USPres-G2000-11-02883R+7.0D+0.5R+7.5
20002000_Pres-G_USPres-G2000-10-301,016R+4.0D+0.5R+4.5
20002000_Pres-G_USPres-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.