electionsmcp › races › South Carolina State Senate District 18
South Carolina State Senate District 18
The current officeholder, the 2024 result, and a precinct-level model you can run yourself — built from how South Carolina actually voted.
Model South Carolina State Senate District 18 →
Current officeholder
Ronnie W. Cromer Republican
2024 result
Republican R+98.6
2024 votes cast
52,015
Office
State Senate
Precinct results — 2024 general
65 precincts reported in South Carolina State Senate District 18's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 45063-AMICKS FERRY | Republican | R+99.3 | 2,857 |
| 45063-DUTCHMAN SHORES | Republican | R+99.5 | 2,532 |
| 45063-OLD LEXINGTON | Republican | R+99.2 | 2,265 |
| 45079-Spring Hill | Republican | R+99.3 | 2,250 |
| 45063-RIVER BLUFF | Republican | R+98.6 | 2,213 |
| 45063-CHAPIN | Republican | R+99.1 | 2,155 |
| 45079-Dutch Fork 3 | Republican | R+97.7 | 1,612 |
| 45063-ST. MICHAEL | Republican | R+99.3 | 1,590 |
| 45071-Fairview | Republican | R+98.9 | 1,472 |
| 45079-Springville 1 | Republican | R+99.1 | 1,451 |
| 45063-LINCREEK | Republican | R+98.5 | 1,359 |
| 45079-Springville 2 | Republican | R+98.8 | 1,356 |
| 45079-Ballentine 2 | Republican | R+97.9 | 1,309 |
| 45063-DREHER ISLAND | Republican | R+98.9 | 1,297 |
| 45071-O'Neal | Republican | R+99.2 | 1,234 |
| 45063-IRMO | Republican | R+97.0 | 1,151 |
| 45063-MURRAYWOOD | Republican | R+97.6 | 1,138 |
| 45063-QUAIL VALLEY | Republican | R+98.1 | 1,073 |
| 45063-COLDSTREAM | Republican | R+96.8 | 1,037 |
| 45071-Little Mountain | Republican | R+99.3 | 1,027 |
All 65 precincts are modelable — open the race in the simulator and drill to precinct grain.
Find your district
Enter a ZIP code or a district (e.g. NC-4) to find your U.S. House district and who represents it.
Model South Carolina State Senate District 18 in five steps
- Set the candidates. Name the contenders for the South Carolina State Senate District 18 (or keep the generic Democrat / Republican defaults). The map starts from real 2024 results in every precinct.
- Apply a swing. Move vote share statewide, or by demographic cohort, with a slider. The map and the running tally recompute instantly.
- Model turnout. Mobilize or depress turnout for any group — turnout and persuasion are modeled separately, the way a real campaign thinks about them.
- Drill to precincts. Zoom from the state down to individual precincts and override any of them by hand.
- Roll up & share. Roll the result up to chamber control, then publish a shareable, frozen link to your scenario.
Open South Carolina State Senate District 18 in the simulator →
Frequently asked
Who represents South Carolina State Senate District 18?
Ronnie W. Cromer (Republican) currently holds this State Senate seat.
What was the 2024 result in South Carolina State Senate District 18?
R+98.6 — 0 Democratic, 51,289 Republican, of 52,015 votes cast.
Can I model this race myself?
Yes — open it in the electionsmcp simulator and model vote-share swing and turnout from the real 2024 baseline, down to the precinct, then roll it up to chamber control.