Primary Polls
| Race | Pollster | Date | Sample | Results |
|---|---|---|---|---|
| Governor · Republican primary | Opinion Diagnostics (R) | 2026-06-22 | 875 LV | Alan Wilson 65% · Pamela Evette 23% · Unsure 12% |
| Governor | InsiderAdvantage ±1.9 | 2026-06-20 | 800 LV | Pamela Evette 29% · Alan Wilson 61% |
| Governor · Republican primary | JMC Analytics (R) | 2026-06-15 | 500 LV | Alan Wilson 63% · Pamela Evette 28% · Unsure 9% |
| Governor · Republican primary | Opinion Diagnostics (R) | 2026-06-11 | 625 LV | Alan Wilson 46% · Pamela Evette 39% · Unsure 15% |
| Governor · Republican primary | National Public Affairs (R) partisan·R | 2026-06-11 | 600 LV | Alan Wilson 52% · Pamela Evette 36% · Unsure 13% |
| Governor · Republican primary | Trafalgar Group (R) partisan·R ±1.8 | 2026-06-07 | 1200 LV | Pamela Evette 22% · Alan Wilson 21% · Rom Reddy 18% · Ralph Norman 16% · Nancy Mace 14% · Josh Kimbrell 1% · Unsure 7% |
| Senate · Republican primary | Trafalgar Group (R) partisan·R ±1.8 | 2026-06-07 | 1200 LV | Lindsey Graham 49% · Mark Lynch 29% · Unsure 11% |
| Governor · Republican primary | InsiderAdvantage (R) ±1.9 | 2026-06-06 | 800 LV | Pamela Evette 19% · Alan Wilson 16% · Rom Reddy 13% · Nancy Mace 13% · Ralph Norman 12% · Josh Kimbrell 4% · Unsure 22% |
| Senate · Republican primary | InsiderAdvantage (R) ±1.9 | 2026-06-06 | 800 LV | Lindsey Graham 51% · Mark Lynch 21% · Unsure 18% |
| House · Republican primary | Meeting Street Insights | 2026-06-06 | 400 LV | Jenny Costa Honeycutt 35% · Mark Smith 28% · Unsure 37% |
| Governor · Republican primary | co/efficient (R) partisan·R | 2026-06-04 | 879 LV | Pamela Evette 23% · Rom Reddy 17% · Alan Wilson 16% · Ralph Norman 15% · Nancy Mace 11% · Josh Kimbrell 2% · Unsure 17% |
| Governor · Republican primary | The Public Sentiment Institute | 2026-06-04 | 388 LV | Nancy Mace 30% · Pamela Evette 25% · Ralph Norman 15% · Rom Reddy 13% · Alan Wilson 12% · Unsure 5% |
| Governor · Republican primary | Starboard Communications | 2026-06-04 | 500 LV | Alan Wilson 19% · Pamela Evette 19% · Rom Reddy 14% · Ralph Norman 13% · Nancy Mace 12% · Unsure 22% |
| Senate · Republican primary | The Public Sentiment Institute | 2026-06-04 | 388 LV | Lindsey Graham 51% · Mark Lynch 26% · Unsure 4% |
| Governor · Republican primary | Tyson Group | 2026-06-03 | 500 LV | Alan Wilson 19% · Pamela Evette 18% · Ralph Norman 15% · Nancy Mace 11% · Rom Reddy 11% · Unsure 25% |
| Governor · Republican primary | Opinion Diagnostics (R) | 2026-06-02 | 675 LV | Alan Wilson 22% · Pamela Evette 17% · Rom Reddy 16% · Ralph Norman 12% · Nancy Mace 12% · Josh Kimbrell 2% · Unsure 20% |
| Governor · Republican primary | The Citadel | 2026-05-31 | 600 LV | Pamela Evette 17% · Nancy Mace 16% · Alan Wilson 16% · Rom Reddy 14% · Ralph Norman 13% · Josh Kimbrell 1% · Unsure 23% |
| Governor · Republican primary | Trafalgar Group (R) partisan·R ±1.8 | 2026-05-31 | — LV | Pamela Evette 26% · Alan Wilson 17% · Rom Reddy 17% · Ralph Norman 16% · Nancy Mace 15% · Josh Kimbrell 2% · Unsure 4% |
| Senate · Republican primary | The Citadel | 2026-05-31 | 600 LV | Lindsey Graham 46% · Mark Lynch 36% · Unsure 18% |
| Governor · Republican primary | McLaughlin & Associates (R) partisan·R | 2026-05-28 | 600 LV | Alan Wilson 21% · Rom Reddy 20% · Ralph Norman 17% · Nancy Mace 14% · Pamela Evette 13% · Josh Kimbrell 2% · Unsure 13% |
| Governor · Republican primary | Trafalgar Group (R) partisan·R ±1.8 | 2026-05-24 | 1125 LV | Pamela Evette 20% · Alan Wilson 19% · Rom Reddy 19% · Ralph Norman 16% · Nancy Mace 15% · Josh Kimbrell 2% · Unsure 6% |
| Senate · Republican primary | Trafalgar Group (R) partisan·R ±1.8 | 2026-05-24 | 1125 LV | Lindsey Graham 52% · Mark Lynch 28% · Unsure 8% |
| Governor · Democratic primary | Conquest Communications Group/ South Carolina Policy Council | 2026-05-21 | 500 LV | Jermaine Johnson 27% · Billy Webster 14% · Mullins McLeod 6% · Unsure 49% |
| Governor · Republican primary | Conquest Communications Group/South Carolina Policy Council | 2026-05-21 | 500 LV | Pamela Evette 16% · Ralph Norman 15% · Alan Wilson 14% · Nancy Mace 13% · Rom Reddy 10% · Josh Kimbrell 1% · Unsure 27% |
| Governor · Republican primary | Cygnal (R) partisan·R ±4.2 | 2026-05-21 | 600 LV | Alan Wilson 19% · Rom Reddy 16% · Nancy Mace 14% · Ralph Norman 13% · Pamela Evette 12% · Unsure 24% |
| House · Republican primary | Pulse Decision Science (R) | 2026-05-19 | 418 LV | Mark Smith 16% · Logan Cunningham 7% · Alex Pelbath 6% · Sam McCown 6% · Unsure 37% |
| Senate · Republican primary | InsiderAdvantage (R) ±1.9 | 2026-05-14 | 800 LV | Lindsey Graham 56% · Mark Lynch 13% · Unsure 23% |
| Governor · Republican primary | Cygnal (R) partisan·R ±4.2 | 2026-05-08 | 600 LV | Pamela Evette 19% · Alan Wilson 15% · Nancy Mace 14% · Ralph Norman 12% · Rom Reddy 9% · Unsure 29% |
| Governor · Republican primary | Trafalgar Group (R) partisan·R ±1.8 | 2026-05-05 | 1089 LV | Pamela Evette 25% · Alan Wilson 23% · Ralph Norman 20% · Nancy Mace 15% · Rom Reddy 10% · Josh Kimbrell 4% |
| Governor · Republican primary | co/efficient (R) partisan·R | 2026-04-30 | 813 LV | Pamela Evette 21% · Alan Wilson 18% · Ralph Norman 13% · Nancy Mace 12% · Rom Reddy 11% · Josh Kimbrell 2% · Unsure 22% |
Primary polls are shown here only — they never enter the general-election averages. Pollster names link to track records.