Primary
Primary held June 9, 2026.
Democratic Primary
| Candidate | Votes | % | |
|---|---|---|---|
| Annie Andrews ✓ | 226,075 | 61.5% | |
| Brandon Brown | 110,962 | 30.2% | |
| Kyle Freeman | 30,374 | 8.3% |
Republican Primary
| Candidate | Votes | % | |
|---|---|---|---|
| Lindsey Graham ✓ | 264,091 | 56.8% | |
| Mark Lynch | 134,360 | 28.9% | |
| Thomas Dismukes | 24,164 | 5.2% | |
| Pat Herrmann | 17,448 | 3.8% | |
| Calvin Cowen | 14,171 | 3.0% | |
| Darius Mitchell | 10,842 | 2.3% |
Full calendar and every race: South Carolina primary guide
Race Overview
General Election Polling Trend
PollingSource average — trailing average of all polls from the last 90 days.
Candidates
Lindsey Graham Nominee Incumbent
RepublicanGeneral Election Polling Average
Average reflects all polls from the last 90 days; table shows the most recent 30 days or the newest 3 polls, whichever is more — subscribe for the full history. How accurate is each pollster? →
| Pollster | Date | Sample | MoE | Dem | Rep |
|---|---|---|---|---|---|
| Impact Research (D) partisan·D | 2026-06-22 | 700 LV | ±3.70 | Annie Andrews 45.00% | Lindsey Graham 48.00% |
Questions About This Race
Who is winning the 2026 South Carolina Senate race?
Lindsey Graham leads Annie Andrews 48% to 45% in the PollingSource polling average — a R+3.0 margin based on 1 poll from the last 90 days.
Is the 2026 South Carolina Senate race competitive?
Yes — the PollingSource polling average rates it Lean R: Republicans are favored, but the race is competitive.
What does the latest poll of the 2026 South Carolina Senate race say?
The most recent public poll, from Impact Research (D) (completed June 22, 2026), found Annie Andrews (D) at 45% and Lindsey Graham (R) at 48%.
When is the 2026 South Carolina Senate race decided?
Election Day is Tuesday, November 3, 2026.
How is the PollingSource average calculated?
The PollingSource average is the unweighted mean of every scientific public poll of the race from the last 90 days — we do not exclude pollsters. Each race page lists the individual polls behind the average with pollster, field dates, sample size, and margin of error. Full details: pollingsource.com/methodology.
Race Notes
NOMINEE PENDING: Sen. Lindsey Graham won the June 9 Republican primary with 56.8% but died on July 11, 2026. Under South Carolina law a special Republican primary will select a replacement nominee; a date has not yet been set. Four-term incumbent
Independent Expenditures Updated 4 hours ago
Top Spenders
- PALMETTO ACTION $3,604,574
- SECURITY IS STRENGTH PAC $1,304,026
- PROJECT 2026 $771,161
- FELLOWSHIP PAC $550,000
- AMERICAN MISSION $374,287
- SC RISING $33,744
- RED SENATE $683
Full outside-spending research — every committee, every race →