- Lead
- 4,476
- Total
- 20,559
- vs nation
- R+20.3
South Carolina 100th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,582
- Total
- 19,607
- vs nation
- R+22.7
- Lead
- 4,266
- Total
- 14,137
- vs nation
- R+32.3
- Lead
- 3,368
- Total
- 12,154
- vs nation
- R+31.6
- Lead
- 3,015
- Total
- 11,542
- vs nation
- R+33.4
- Lead
- 3,351
- Total
- 9,562
- vs nation
- R+32.6
- Lead
- 2,261
- Total
- 7,773
- vs nation
- R+29.6
- Lead
- 1,540
- Total
- 5,893
- vs nation
- R+34.7
Key facts
- 2024 presidential margin
- R+21.8MIT Election Lab
- Population
- 41,6762024 5-year
- Population density
- 288 / sq mi2024 5-year · TIGER/Line
- Land area
- 145 sq miTIGER/Line
- Median household income
- $83,2612024 5-year
- White (non-Hispanic)
- 60.3%2024 5-year
- Black
- 27.3%2024 5-year
- Hispanic / Latino
- 5.5%2024 5-year
- Peak Democratic margin
- D+98.0 in 1912MIT Election Lab
- Peak Republican margin
- R+50.1 in 1984MIT Election Lab
- Most similar
- State House District 117, SC · twin score 94.6
presidential history
Party record book
South Carolina 100th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1884) · 36 presidential cycles · 36 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1936
98.9%
91 votes · D+97.8 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · 98.5%
Republican
Ronald Reagan1984
74.8%
3,389 votes · R+50.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 73.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
7,910votes
38.5% of the vote · R+21.8 · modeled estimate
Runner-up · Joe Biden, 2020 · 7,866 votes
Republican
Donald Trump2024
12,386votes
60.2% of the vote · R+21.8 · modeled estimate
Runner-up · Donald Trump, 2020 · 11,448 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
James M. Cox1920
+121.1pts D vs U.S.
Place D+94.9 · U.S. R+26.2 · modeled estimate
Runner-up · John W. Davis, 1924 · +119.8 pts
Republican
Barry Goldwater1964
+61.2pts R vs U.S.
Place R+38.6 · U.S. D+22.6 · modeled estimate
Runner-up · Bob Dole, 1996 · +34.7 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
With a 2024 presidential margin of R+21.8, District 100 leans heavily Republican across its rural and small-town precincts, reflecting the broader rightward shift that has consolidated GOP dominance across South Carolina's coastal plain.
Across the recorded series it reached a Democratic high of 98.0 points in 1912 and a Republican high of 50.1 points in 1984. Between 2020 and 2024 the district moved 3.5 points toward the Republican candidate; the 2024 margin was 21.8 points.
A population of 41,676, a 60% non-Hispanic-white share, and a median household income of $83,261 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 117 and State House District 94.
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
South Carolina 100th State House District. Akashic. https://akashic.app/sld-lower/45100/. Accessed May 20, 2026. License: CC BY 4.0.