- Lead
- 3,271
- Total
- 24,354
- vs nation
- R+12.0
- Turnout
- —
Hilton Head Island, SC
President margin by year
Place winner margin
President results by year
Vote totals, margins, and source status
- Lead
- 3,005
- Total
- 23,674
- vs nation
- R+17.1
- Turnout
- —
- Lead
- 3,754
- Total
- 22,085
- vs nation
- R+19.1
- Turnout
- —
- Lead
- 5,950
- Total
- 19,951
- vs nation
- R+33.7
- Turnout
- —
- Lead
- 3,763
- Total
- 19,159
- vs nation
- R+26.9
- Turnout
- —
- Lead
- 4,632
- Total
- 15,405
- vs nation
- R+27.6
- Turnout
- —
Key facts
- 2024 presidential margin
- R+13.4MIT Election Lab
- Population
- 37,9112024 5-year
- Median household income
- $94,6572024 5-year
- White (non-Hispanic)
- 75.1%2024 5-year
- Black
- 6.3%2024 5-year
- Hispanic / Latino
- 15.1%2024 5-year
- Peak Republican margin
- R+30.1 in 2004MIT Election Lab
- Most similar
- Sun City Center, FL · twin score 94.1
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | −30.1% |
| 2008 | −19.6% |
| 2012 | −29.8% |
| 2016 | −17.0% |
| 2020 | −12.7% |
| 2024 | −13.4% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| R | 42.7%Harris10,389 | 56.1%Trump13,660 | 1.3% | R+13.4 | R+0.7 | R+12.0 | 24,354 | |
| R | 43.2%Biden10,224 | 55.9%Trump13,229 | 0.9% | R+12.7 | D+4.3 | R+17.1 | 23,674 | |
| R | 39.4%Clinton8,702 | 56.4%Trump12,456 | 4.2% | R+17.0 | D+12.8 | R+19.1 | 22,085 | |
| R | 34.6%Obama6,897 | 64.4%Romney12,847 | 1.0% | R+29.8 | R+10.2 | R+33.7 | 19,951 | |
| R | 39.7%Obama7,597 | 59.3%McCain11,360 | 1.1% | R+19.6 | — | R+26.9 | 19,159 | |
| R | 34.8%Kerry5,361 | 64.9%Bush9,993 | 0.3% | R+30.1 | — | R+27.6 | 15,405 |
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 40.2%9,590 | 59.8%14,292 | 23,882 |
Hilton Head's permanent population of roughly 38,000 balloons with seasonal residents, creating an unusually affluent, older, and well-educated voter base that has trended toward competitive margins in statewide races.
Across the recorded series it reached a Republican high of 30.1 points in 2004. Between 2020 and 2024 the city moved 0.7 points toward the Republican candidate; the 2024 margin was 13.4 points.
A population of 37,911, a 75% non-Hispanic-white share, and a median household income of $94,657 describe the city. The city's voting pattern over the last decade is most similar to that of Sun City Center and Fountain Hills.
The cities 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.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Hilton Head Island, South Carolina. Akashic. https://akashic.app/city/4534045/. Accessed May 20, 2026. License: CC BY 4.0.