electionsmcp › races › South Carolina State Senate District 21
South Carolina State Senate District 21
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 21 →
Current officeholder
Darrell Jackson Democratic
2024 result
Democratic D+98.5
2024 votes cast
36,910
Office
State Senate
Precinct results — 2024 general
51 precincts reported in South Carolina State Senate District 21's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 45079-Pinewood | Democratic | D+98.9 | 1,326 |
| 45079-Ward 13 | Democratic | D+98.3 | 1,196 |
| 45079-Woodlands | Democratic | D+96.4 | 1,182 |
| 45079-Caughman Road | Democratic | D+99.0 | 1,172 |
| 45079-Lykesland | Democratic | D+98.7 | 1,136 |
| 45079-Hopkins 2 | Democratic | D+99.0 | 1,118 |
| 45079-Pine Lakes 2 | Democratic | D+99.3 | 1,116 |
| 45079-Bluff | Democratic | D+99.5 | 1,102 |
| 45079-Horrell Hill | Democratic | D+97.3 | 1,094 |
| 45079-Keels 1 | Democratic | D+99.6 | 1,066 |
| 45079-Dentsville | Democratic | D+99.7 | 1,064 |
| 45079-Brandon 1 | Democratic | D+98.6 | 1,054 |
| 45079-Brandon 2 | Democratic | D+99.8 | 963 |
| 45079-Keenan | Democratic | D+98.5 | 960 |
| 45079-Ward 14 | Democratic | D+97.6 | 942 |
| 45079-Trinity | Democratic | D+98.9 | 910 |
| 45079-Meadowfield | Democratic | D+97.8 | 875 |
| 45079-Gadsden | Democratic | D+99.7 | 853 |
| 45079-Pine Lakes 1 | Democratic | D+99.5 | 843 |
| 45079-Hampton | Democratic | D+98.1 | 831 |
All 51 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 21 in five steps
- Set the candidates. Name the contenders for the South Carolina State Senate District 21 (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 21 in the simulator →
Frequently asked
Who represents South Carolina State Senate District 21?
Darrell Jackson (Democratic) currently holds this State Senate seat.
What was the 2024 result in South Carolina State Senate District 21?
D+98.5 — 36,370 Democratic, 0 Republican, of 36,910 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.