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South Carolina Senate Race 2026

Latest sourced poll, full poll history, Cook and DDHQ ratings, and candidates. Research snapshot checked 2026-10-22.

Latest poll

Annie Andrews (Democrat)45%
Darline Graham (Republican)42%

onpointpolitics\[1\, fielded 2026-10-18 to 2026-10-19

Cook: Lean RDDHQ: 30% D

Cook rating 2026-10-20 · DDHQ forecast 2026-10-22. Win chance, not vote share.

n=511 / Unknown. Poliwave

Lead of 3 pts for Annie Andrews in a single poll. Not a win probability.

Ratings and forecast

Cook rating
Lean R
DDHQ rating
Lean R
DDHQ Dem win chance
30%
Currently held by
R

Cook source DDHQ source Forecast methodology

Candidates

  • Annie AndrewsDemocrat
  • Darline GrahamRepublican

Seat / incumbent: Graham (Darline Graham replaced late Lindsey Graham)

Poll history (15)

PollsterField datesResultsSample / methodSource
onpointpolitics\[1\2026-10-18 to 2026-10-19Annie Andrews (Democrat) 45%Darline Graham (Republican) 42%n=511 / UnknownPoliwave
Trafalgar Group*2026-10-16 to 2026-10-18Graham Nordone (Republican) 49%Annie Andrews (Democrat) 46%n=1,095 / Not reported by sourceRealClearPolling Original release
Trafalgar Group (R)2026-10-16 to 2026-10-18Darline Graham (Republican) 49%Annie Andrews (Democrat) 46%n=1,095 / UnknownPoliwave Original release
Rasmussen Reports2026-10-05 to 2026-10-08Graham Nordone (Republican) 49%Annie Andrews (Democrat) 45%n=837 / Not reported by sourceRealClearPolling Original release
Rasmussen Reports (R)2026-10-05 to 2026-10-08Darline Graham (Republican) 49%Annie Andrews (Democrat) 45%n=837 / UnknownPoliwave Original release
InsiderAdvantage*2026-09-28 to 2026-09-29Graham Nordone (Republican) 46%Annie Andrews (Democrat) 45%n=1,200 / Not reported by sourceRealClearPolling Original release
InsiderAdvantage (R)2026-09-28 to 2026-09-29Darline Graham (Republican) 46%Annie Andrews (Democrat) 45%n=1,200 / UnknownPoliwave Original release
Trafalgar Group2026-09-23 to 2026-09-25Darline Graham (Republican) 43.4%Annie Andrews (Democrat) 42.3%n=1,087 / Trafalgar Group South Carolina general-election survey of likely voters; response rate 5.4%, 95% confidence.Poliwave Original release
Rasmussen Reports (R)2026-09-14Darline Graham (Republican) 48%Annie Andrews (Democrat) 43%n=1,006 / UnknownPoliwave Original release
InsiderAdvantage (R)2026-09-08 to 2026-09-09Darline Graham (Republican) 45%Annie Andrews (Democrat) 43%n=1,200 / UnknownPoliwave Original release
Abacus Data2026-08-26 to 2026-08-28Darline Graham (Republican) 55%Annie Andrews (Democrat) 42%n=306 / UnknownPoliwave Original release
Impact Research (D)2026-08-18 to 2026-08-24Darline Graham (Republican) 41%Annie Andrews (Democrat) 41%n=700 / UnknownPoliwave Original release
Impact Research (D)2026-08-14 to 2026-08-22Annie Andrews (Democrat) 42%Darline Graham (Republican) 39%n=900 / UnknownPoliwave Original release
Impact Research (D)2026-06-17 to 2026-06-22Darline Graham (Republican) 48%Annie Andrews (Democrat) 45%n=700 / UnknownPoliwave Original release
Impact Research (D)2026-02-25 to 2026-03-01Darline Graham (Republican) 47%Annie Andrews (Democrat) 42%n=700 / UnknownPoliwave Original release

Polls via secondary aggregators, not independently audited. Not a live feed.

See this race in context on the tile map, colored by poll, DDHQ or Cook.

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