South Carolina Senate Runoff Vote Simulator

Interactive precinct turnout, drop-off, and regional coalition shift analyzer

SC County Runoff Map

Click a key county to adjust regional parameters or inspect primary weight.

County Runoff Lead
Candidate A
Candidate B
65%

Runoffs average 20-40% drop-off from primary base.

+5.0%

Shift undecided/third-party vote share towards A or B.

Greenville County Key County
Total Base Voters
120,000
Projected Runoff Margin
Candidate A +12.0%
Candidate A Share
53.0%
Candidate B Share
47.0%
Projected Winner Candidate A
Candidate A: 185,200
Candidate B: 162,800

Path to Victory Analytics

Margin Gap: 22,400 votes (6.40%)

Greenville and Spartanburg Upstate turnout retention provides Candidate A a crucial firewall against Lowcountry gains for Candidate B.

County Vote Reallocation Table

County Base Voters Cand A Cand B Lead
Outcome: Candidate A +6.40%
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