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FORECAST51 DAYS OUT
Race polling · SEN-SC

South Carolina Senate polls

Annie Andrews (D) vs Darline Graham (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+4.9same figure as the race page
Polls77 recorded polls · 7 eligible for the aggregate · 6 with positive weight
Latest field dateSep 9Eligible polls: latest poll: 2026-09-09 (4 days old)
EditionSep 13weights and corrections as of this edition

The polls the model reads

hover, tap or Tab to any poll
last 30 daysR+15R+10R+5EVEND+5Jan ’26MarMayJulSep
  • counted poll · area is its model weight
  • weight exactly zero · shown, not counted
  • weighted running average · recent, larger and non-partisan polls count more · gaps where polls run thin
  • published average
  • 30 days before this edition

Every poll on file · 7

newest first

6 in the aggregate · 1 shown, not counted

PollsterFieldedAddedSampleResultWeightSource
InsiderAdvantageGeneral · Senate1,200 LVDarline Graham 45.1Annie Andrews 43.2+1 other release2d ago0.828Poll release
Abacus DataGeneral306 LVDarline Graham 51Annie Andrews 38Don't know 8Someone else 3+1 other release0.232Poll release
Impact ResearchGeneral · DEM sponsor · DEM partisan700 LVDarline Graham 41Annie Andrews 41Don't know 13Kasie Whitener 50.265Poll document
Public Policy PollingGeneral · DEM sponsor · DEM partisan577 RVAnnie Andrews 42Russell Fry 39Don't know 20+8 other releasesnot in the aggregatePoll release
Impact ResearchGeneral · DEM sponsor · DEM partisan700 LVLindsey Graham 48Annie Andrews 45Don't know 70.033Poll release
Impact ResearchGeneral · DEM sponsor · DEM partisan700 LVLindsey Graham 47Annie Andrews 42Don't know 110.001Poll document
Public Policy PollingGeneral · DEM sponsor · DEM partisan704 RVLindsey Graham 42Annie Andrews 36+1 other release0 · not countedNews coverage

Archive source date 2026-09-13. 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.