Akashic
1892–2024
Akashic
Hilton Head Island-Bluffton-Port Royal, SC
presidential margin
2008R+6.92012R+13.52016R+11.12020R+8.62024R+13.8
full record · 1892 → 2024
R+13.8
2024
median income$83,609U.S. $80,734 · SC $69,324
median age47.7U.S. 39.1 · SC 40.5
poverty rate10.8%U.S. 12.5% · SC 14.1%
bachelor’s+ (25+)43.2%U.S. 35.6% · SC 32.1%
non-english12.6%U.S. 22.3% · SC 8.4%
race · ethnicity · ancestry
German12.7%
English12.5%
Irish11.6%
African American†16.8%
African0.5%
Jamaican0.4%
Mexican6.5%
Puerto Rican1.9%
Honduran1.1%
Filipino0.3%
Vietnamese0.3%
Chinese0.2%
religion
other traditions
Mainline4.5%
Black Protestant2.1%
Latter-day Saints1.4%
Other Christian1.1%
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents, unaffiliated is the unclaimed remainder.

Hilton Head Island-Bluffton-Port Royal, SC, South Carolina

Akashic
Hilton Head Island-Bluffton-Port Royal, SCTrumpR+13.8
—
2024 presidential margin by county for Hilton Head Island-Bluffton-Port Royal, SC, SCA map of the constituent counties of Hilton Head Island-Bluffton-Port Royal, SC, SC, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Beaufort County, SC · R+14.5Jasper County, SC · R+9.6
How it voted
Share of the 2024 vote
Donald Trump ✓Republican56.3%69,023
Kamala HarrisDemocratic42.5%52,146
Chase OliverLibertarian1.2%1,461
D+60
R+60
2 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
County-level results (2 counties) — table
2024 presidential result by county for Hilton Head Island-Bluffton-Port Royal, SC, SC — winner and D-vs-R margin.
CountyWinnerMargin
Beaufort County, SCRepublicanR+14.5
Jasper County, SCRepublicanR+9.6
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
42.5%Harris52,146
56.3%Trump69,023
1.2%Oliver1,461
−13.8%
122,630
R
45.1%Biden50,604
53.7%Trump60,272
1.2%Jorgensen1,353
−8.6%
112,229
R
42.3%Clinton38,094
53.5%Trump48,109
4.2%Johnson3,748
−11.1%
89,951
R
42.7%Obama35,605
56.2%Romney46,856
1.0%Johnson857
−13.5%
83,318
R
46.0%Obama35,785
53.0%McCain41,186
1.0%Barr753
−6.9%
77,724
R
40.8%Kerry25,345
58.4%Bush36,264
0.8%Nader472
−17.6%
62,081
R
41.8%Gore21,133
55.3%Bush27,975
3.0%Nader1,509
−13.5%
50,617
R
44.4%Clinton17,585
49.5%Dole19,599
6.2%Perot2,446
−5.1%
39,630
R
40.3%Clinton14,919
44.4%Bush16,460
15.3%Perot5,671
−4.2%
37,050
R
38.7%Dukakis11,585
60.7%Bush18,188
0.6%Paul177
−22.0%
29,950
R
39.6%Mondale11,100
59.9%Reagan16,770
0.5%Bergland127
−20.3%
27,997
D
49.5%Carter10,727
47.2%Reagan10,237
3.3%Anderson705
+2.3%
21,669
D
55.4%Carter8,952
44.3%Ford7,156
0.4%Anderson61
+11.1%
16,169
R
36.6%McGovern4,440
62.5%Nixon7,579
0.9%Schmitz112
−25.9%
12,131
D
45.4%Humphrey5,142
31.9%Nixon3,616
22.7%Wallace2,579
+13.5%
11,337
R
42.7%Johnson3,749
57.3%Goldwater5,025
0.0%
−14.5%
8,774
R
47.4%Kennedy2,521
52.6%Nixon2,800
0.0%
−5.2%
5,321
O
22.7%Stevenson920
35.9%Eisenhower1,454
41.4%Andrews1,674
Other +5.4
4,048
R
42.1%Stevenson1,742
57.9%Eisenhower2,399
0.0%
−15.9%
4,141
O
18.4%Truman394
8.4%Dewey181
73.2%Thurmond1,569
Thurmond +54.8
2,144
D
65.9%Roosevelt824
10.1%Dewey126
24.1%Thomas301
+55.8%
1,251
D
88.3%Roosevelt1,000
11.7%Willkie132
0.0%
+76.7%
1,132
D
95.3%Roosevelt953
0.0%Landon0
4.7%Lemke47
+95.3%
1,000
D
92.3%Roosevelt954
0.0%Hoover0
7.7%Thomas80
+92.3%
1,034
D
79.6%Smith516
19.9%Hoover129
0.5%Thomas3
+59.7%
648
D
80.2%Davis454
11.3%Coolidge64
8.5%La Follette48
+68.9%
566
D
76.5%Cox484
23.5%Harding149
0.0%
+52.9%
633
D
85.0%Wilson619
14.4%Hughes105
0.5%Benson4
+70.6%
728
D
85.5%Wilson662
0.0%Taft0
14.5%Roosevelt112
+85.5%
774
D
65.7%Bryan522
34.3%Taft272
0.0%
+31.5%
794
D
56.5%Parker415
43.5%Roosevelt319
0.0%
+13.1%
734
R
49.5%Bryan378
50.5%McKinley385
0.0%
−0.9%
763
R
39.4%Bryan289
60.6%McKinley444
0.0%
−21.1%
733
R
39.5%Cleveland175
60.5%Harrison268
0.0%
−21.0%
443
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: −13.8% in 2024.flipped R · 1984−13.8%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892−21.0%
1896−21.1%
1900−0.9%
1904+13.1%
1908+31.5%
1912+85.5%
1916+70.6%
1920+52.9%
1924+68.9%
1928+59.7%
1932+92.3%
1936+95.3%
1940+76.7%
1944+55.8%
1948+9.9%
1952−15.9%
1956−13.2%
1960−5.2%
1964−14.5%
1968+13.5%
1972−25.9%
1976+11.1%
1980+2.3%
1984−20.3%
1988−22.0%
1992−4.2%
1996−5.1%
2000−13.5%
2004−17.6%
2008−6.9%
2012−13.5%
2016−11.1%
2020−8.6%
2024−13.8%
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Voter registration in Hilton Head Island-Bluffton-Port Royal, SCTotal registered voters, 2016–2024. Latest 183,239 in 2024.45.8K91.6K137.4K183.2K183.2K20162024
Registered voters
Voter registration in Hilton Head Island-Bluffton-Port Royal, SC
YearTotal registered
2016131,151
2018161,404
2020171,622
2022177,745
2024183,239
Source: U.S. Election Assistance Commission (EAVS)

Rapid population growth driven by affluent retirees and second-home buyers has shifted this coastal South Carolina metro's demographic profile steadily over the past decade, making voter composition harder to project from historical baselines.

Across the recorded series it reached a Democratic high of 95.3 points in 1936 and a Republican high of 25.9 points in 1972. Between 2020 and 2024 the metro moved 5.1 points toward the Republican candidate; the 2024 margin was 13.8 points.

A population of 227,455, a 64% non-Hispanic-white share, and a median household income of $83,609 describe the metro. The metro's voting pattern over the last decade is most similar to that of Wilmington, NC and Easton, MD.

Political twins — metros

The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Wilmington, NC
83.5twin score
12-yr trendcollege sharemedian age
Easton, MD
80.2twin score
college sharemedian agemedian income≠ 12-yr trend
Seaford, DE
80.0twin score
12-yr trendmedian agemedian income≠ college share

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.

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 →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Hilton Head Island-Bluffton-Port Royal, SC, South Carolina. Akashic. https://akashic.app/cbsa/25940/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Hilton Head Island-Bluffton-Port Royal, SC

counties2
Beaufort CountyJasper County

Frequently asked questions

How did Hilton Head Island-Bluffton-Port Royal, SC, South Carolina vote in 2024?
In 2024, Hilton Head Island-Bluffton-Port Royal, SC, South Carolina voted Republican by 13.8 points (R+13.8), carried by the Republican candidate. Out of 122,630 votes cast, 52,146 went Democratic and 69,023 went Republican.
When did Hilton Head Island-Bluffton-Port Royal, SC, South Carolina last vote Democratic?
The most recent presidential election in which Hilton Head Island-Bluffton-Port Royal, SC, South Carolina voted Democratic was 1980.
How many people live in Hilton Head Island-Bluffton-Port Royal, SC, South Carolina?
Hilton Head Island-Bluffton-Port Royal, SC, South Carolina has a population of 227,455 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Hilton Head Island-Bluffton-Port Royal, SC, South Carolina?
Median household income in Hilton Head Island-Bluffton-Port Royal, SC, South Carolina is $83,609 — above the national median of $80,734. The South Carolina state median is $69,324.
What is the political history of Hilton Head Island-Bluffton-Port Royal, SC, South Carolina?
Akashic tracks 34 presidential elections in Hilton Head Island-Bluffton-Port Royal, SC, South Carolina from 1892 to 2024. Of those, 14 went Democratic and 18 went Republican.