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FORECAST51 DAYS OUT
Race polling · HOU-IA-3

IA-3 House polls

Sarah Trone Garriott (D) vs Zach Nunn (R). The polls the model aggregates, each with its weight and source, then every public poll on file. The forecast itself lives on the race page.

Adjusted aggregateR+3.0same figure as the race page
Polls11 recorded poll · 1 eligible for the aggregate · 1 with positive weight
Latest field dateMar 14Eligible polls: latest poll: 2026-03-14 (183 days old)
EditionSep 11weights and corrections as of this edition

The polls the model reads

hover, tap or Tab to any poll
last 30 daysR+10R+5EVEND+5Apr ’26MayJunJulAugSep
  • counted poll · area is its model weight
  • weight exactly zero · shown, not counted
  • poll trend · smoothed across nearby polls, larger and non-partisan ones count more · the recent end firms up as polls arrive
  • published average
  • 30 days before this edition

Every poll on file · 3

newest first

1 in the aggregate · 2 shown, not counted

PollsterFieldedAddedSampleResultWeightSource
Ragnar Research PartnersGeneral · REP sponsor · REP partisan400 LVZach Nunn 48Sarah Trone Garriott 42Don't know 10+1 other release0.001News coverage
Change ResearchGeneral · DEM sponsor · DEM partisan638 LVGeneric Democrat 45Generic Republican 42Don't know 13Would not vote 1not in the aggregatePoll release
Public Policy PollingGeneral717 RVJennifer Konfrst 44Zach Nunn 44Don't know 12not in the aggregateNews coverage

Archive source date 2026-09-11 · bundled copy. Archive records may be newer than the sealed forecast; inclusion here does not mean the forecast uses them.

Model rows carry what the source record provides: pollster, field dates, sample size and D/R shares where published. Archive rows come from the broad public harvest. Poll data via VoteHub, used under CC BY 4.0. Poll data from The New York Times, used under CC BY 4.0.