June 5, 2026

Opinion Diagnostics surveyed 675 likely South Carolina Republican primary voters about the race for governor. The survey was fielded June 1-2, 2026, and has a margin of error of ±3.8%.

Key findings

• Alan Wilson led with 21.6%, followed by Pamela Evette (16.9%), Rom Reddy (16.3%), Ralph Norman (12.0%) and Nancy Mace (11.9%), with 19.8% undecided.

• In a head-to-head matchup, Wilson led Evette 48% to 29%.

Media coverage

• FITSNews: Poll Position: Alan Wilson Leads 2026 S.C. Governor's Race Entering Homestretch (June 5, 2026)

• FITSNews: South Carolina Republican Runoff: Early Incoming Fire (June 10, 2026)

• The State: Where SC gov hopefuls did well and who backed them (June 13, 2026)

• The Post and Courier: SC's Republican primary for governor saw dizzying spending levels. The runoff will cost a fortune. (June 14, 2026)