HarrisDemocratic46.9%1,510TrumpRepublican52.2%1,682OtherAll other candidates0.9%29
R+5.3- Lead
- 172
- Total
- 3,221
- vs nation
- R+3.9
- Turnout
- —
Akashiccity
Union, SC
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic52.8%1,892TrumpRepublican46.1%1,650OtherAll other candidates1.1%38
D+6.8- Lead
- 242
- Total
- 3,580
- vs nation
- D+2.3
- Turnout
- —
ClintonDemocratic55.9%1,695TrumpRepublican41.7%1,263OtherAll other candidates2.4%72
D+14.3- Lead
- 432
- Total
- 3,030
- vs nation
- D+12.2
- Turnout
- —
ObamaDemocratic58.5%2,025RomneyRepublican40.2%1,390OtherAll other candidates1.3%44
D+18.4- Lead
- 635
- Total
- 3,459
- vs nation
- D+14.5
- Turnout
- —
ObamaDemocratic55.1%1,957McCainRepublican43.4%1,542OtherAll other candidates1.4%50
D+11.7- Lead
- 415
- Total
- 3,549
- vs nation
- D+4.4
- Turnout
- —
KerryDemocratic54.6%1,718BushRepublican43.9%1,383OtherAll other candidates1.5%47
D+10.6- Lead
- 335
- Total
- 3,148
- vs nation
- D+13.1
- Turnout
- —
Key facts
- 2024 presidential margin
- R+5.3MIT Election Lab
- Population
- 8,0792024 5-year
- Median household income
- $31,9142024 5-year
- White (non-Hispanic)
- 49.6%2024 5-year
- Black
- 44.8%2024 5-year
- Hispanic / Latino
- 3.6%2024 5-year
- Peak Democratic margin
- D+18.4 in 2012MIT Election Lab
- Peak Republican margin
- R+5.3 in 2024MIT Election Lab
- Most similar
- Laurens, SC · twin score 96.1
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +10.6% |
| 2008 | +11.7% |
| 2012 | +18.4% |
| 2016 | +14.3% |
| 2020 | +6.8% |
| 2024 | −5.3% |
DemocraticRepublican
6 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| R | 46.9%Harris1,510 | 52.2%Trump1,682 | 0.9% | R+5.3 | R+12.1 | R+3.9 | 3,221 | |
| D | 52.8%Biden1,892 | 46.1%Trump1,650 | 1.1% | D+6.8 | R+7.5 | D+2.3 | 3,580 | |
| D | 55.9%Clinton1,695 | 41.7%Trump1,263 | 2.4% | D+14.3 | R+4.1 | D+12.2 | 3,030 | |
| D | 58.5%Obama2,025 | 40.2%Romney1,390 | 1.3% | D+18.4 | D+6.7 | D+14.5 | 3,459 | |
| D | 55.1%Obama1,957 | 43.4%McCain1,542 | 1.4% | D+11.7 | — | D+4.4 | 3,549 | |
| D | 54.6%Kerry1,718 | 43.9%Bush1,383 | 1.5% | D+10.6 | — | D+13.1 | 3,148 |
Federal and statewide elections · 2 House · 1 Senate
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 | 45.4%1,406 | 54.6%1,689 | 3,095 |
| 2020 | D | 50.8%1,292 | 49.2%1,253 | 2,545 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2020 | D | 52.8%1,332 | 47.2%1,189 | 2,521 |
Union sits in the Deep South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 18.4 points in 2012 and a Republican high of 5.3 points in 2024. Between 2020 and 2024 the city moved 12.1 points toward the Republican candidate; the 2024 margin was 5.3 points.
A population of 8,079, a 50% non-Hispanic-white share, and a median household income of $31,914 describe the city. The city's voting pattern over the last decade is most similar to that of Laurens and Talladega.
Political twins — cities
The cities whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Laurens
South Carolina
96.1twin score
college share12-yr trendmedian income
Talladega
Alabama
92.4twin score
college sharemedian income12-yr trend
Roxboro
North Carolina
92.2twin score
median incomecollege sharemedian age
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Union, South Carolina. Akashic. https://akashic.app/city/4573105/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
South Carolina at the ballot boxAll elections →
Frequently asked questions
How did Union, South Carolina vote in 2024?
In 2024, Union, South Carolina voted Republican by 5.3 points (R+5.3), carried by the Republican candidate. Out of 3,221 votes cast, 1,510 went Democratic and 1,682 went Republican.
When did Union, South Carolina last vote Democratic?
The most recent presidential election in which Union, South Carolina voted Democratic was 2020.
How many people live in Union, South Carolina?
Union, South Carolina has a population of 8,079 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Union, South Carolina?
Median household income in Union, South Carolina is $31,914 — below the national median of $80,734. The South Carolina state median is $69,324.
What is the political history of Union, South Carolina?
Akashic tracks 6 presidential elections in Union, South Carolina from 2004 to 2024. Of those, 5 went Democratic and 1 went Republican.