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Midterms 2026
Senate · 2026

South Carolina

Annie Andrews (D) vs. Darline Graham (R) · Incumbent: R

Recorded before the vote · November 1, 2026
Result: pending

Election Day is Tuesday, Nov 3. The actual margin will be posted here beside every prediction, with how far each one missed and in which direction.

Polling averages

AverageMarginAs ofMiss
270toWinR+2.42026-10-31Pending
PollCheckR+1.52026-10-31Pending

Latest polls

PollsterForFieldedSampleMarginMiss
Patinkin Research Strategies (D)not statedOct 27-29500 LVD+5Pending
SienaThe New York TimesOct 19-26707 LVTiePending
Targoz Market ResearchSouth Carolina Policy Council (270toWin links Fox Carolina)Oct 16-25895 LVR+1Pending
The Citadelnot statedOct 14-25890 LVR+4Pending
East Carolina Universitynot statedOct 19-24955 LVR+4Pending
Impact Research (D)Fresh Start SC (super PAC supporting Andrews)Oct 15-21800 LVD+1Pending

Forecasts and odds

ForecasterForecastAs of
PollCheck (pollcheck.co.uk)Graham 67% to win (rated Lean R)2026-10-31
KalshiAndrews (D) 28¢; Graham (R) 73¢ (contract prices, cents = implied %)2026-11-01

Race ratings

RaterRatingAs of
Cook Political ReportLikely R2026-09-23
Inside ElectionsLikely R2026-09-17
Sabato's Crystal BallSafe R2026-09-22
Sabato's Crystal BallLikely R (moved from Safe R)2026-10-06

Per Wikipedia: Sen. Lindsey Graham died July 11, 2026 after winning the June 9 primary; Gov. McMaster appointed his sister Darline Graham July 13; she won the Aug 25 special GOP runoff over Ralph Norman (52.4%). Libertarian Kasie Whitener and Constitution Party Mark Hackett also listed.

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