- Lead
- 923
- Total
- 27,247
- vs nation
- D+4.9
South Carolina 115th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 1,959
- Total
- 26,555
- vs nation
- D+2.9
- Lead
- 485
- Total
- 22,087
- vs nation
- R+4.3
- Lead
- 1,624
- Total
- 20,331
- vs nation
- R+11.8
- Lead
- 417
- Total
- 19,297
- vs nation
- R+9.4
- Lead
- 2,635
- Total
- 17,242
- vs nation
- R+12.8
- Lead
- 2,568
- Total
- 14,377
- vs nation
- R+18.4
- Lead
- 1,789
- Total
- 12,560
- vs nation
- R+22.8
Key facts
- 2024 presidential margin
- D+3.4MIT Election Lab
- Population
- 41,1762024 5-year
- Population density
- 443 / sq mi2024 5-year · TIGER/Line
- Land area
- 93 sq miTIGER/Line
- Median household income
- $104,7702024 5-year
- White (non-Hispanic)
- 80.4%2024 5-year
- Black
- 10.5%2024 5-year
- Hispanic / Latino
- 4.3%2024 5-year
- Peak Democratic margin
- D+86.8 in 1936MIT Election Lab
- Peak Republican margin
- R+48.4 in 1972MIT Election Lab
- Most similar
- State House District 110, SC · twin score 91.7
presidential history
Party record book
South Carolina 115th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 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
93.4%
891 votes · D+86.8 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · 90.5%
Republican
Barry Goldwater1964
73.6%
4,559 votes · R+47.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 73.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
14,016votes
52.8% of the vote · D+7.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 13,833 votes
Republican
Donald Trump2024
12,910votes
47.4% of the vote · D+3.4 · modeled estimate
Runner-up · Donald Trump, 2020 · 12,057 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
+94.7pts D vs U.S.
Place D+68.5 · U.S. R+26.2 · modeled estimate
Runner-up · Alton B. Parker, 1904 · +88.3 pts
Republican
Barry Goldwater1964
+69.7pts R vs U.S.
Place R+47.1 · U.S. D+22.6 · modeled estimate
Runner-up · Richard Nixon, 1960 · +38.4 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 just D+3.3 in a state that leaned heavily Republican statewide, District 115 stands out as one of South Carolina's genuine swing districts, drawing competitive attention in legislative cycles.
Across the recorded series it reached a Democratic high of 86.8 points in 1936 and a Republican high of 48.4 points in 1972. Between 2020 and 2024 the district moved 4.0 points toward the Republican candidate; the 2024 margin was 3.4 points.
A population of 41,176, a 80% non-Hispanic-white share, and a median household income of $104,770 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 110 and State House District 112.
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 115th State House District. Akashic. https://akashic.app/sld-lower/45115/. Accessed May 20, 2026. License: CC BY 4.0.