Union, South Carolina — Presidential Election Results
Union, South Carolina has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 14.8 pts more Rep. than South Carolina overall.
Jump to year: 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024
Full Election History, 2000–2024
| Year | Winner | Party | Votes | Vote Share | Margin | Total Votes Cast | Swing | Vs. South Carolina |
|---|---|---|---|---|---|---|---|---|
| 2000 | George W. Bush | Republican | 5,768 | 54.5% | 10.4 pts (1,106 votes) | 10,589 | — | 5.7 pts more Dem. |
| 2004 | George W. Bush | Republican | 6,592 | 55.2% | 11.4 pts (1,356 votes) | 11,934 | -0.9 pts | 5.8 pts more Dem. |
| 2008 | John McCain | Republican | 7,449 | 55.0% | 11.2 pts (1,514 votes) | 13,551 | +0.2 pts | 2.2 pts more Rep. |
| 2012 | Mitt Romney | Republican | 6,584 | 52.5% | 6.3 pts (788 votes) | 12,541 | +4.9 pts | 4.3 pts more Dem. |
| 2016 | Donald Trump | Republican | 7,061 | 58.4% | 19.3 pts (2,332 votes) | 12,092 | -13.4 pts | 4.9 pts more Rep. |
| 2020 | Donald J Trump | Republican | 8,183 | 61.7% | 24.5 pts (3,248 votes) | 13,257 | -5.0 pts | 12.9 pts more Rep. |
| 2024 | Donald J Trump | Republican | 8,102 | 65.9% | 32.7 pts (4,018 votes) | 12,289 | -8.2 pts | 14.8 pts more Rep. |
Population Context
Total Census Bureau population estimate for the county that year, and recorded votes as a share of that total population. This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
| Year | County Population | Votes Cast (% of Population) |
|---|---|---|
| 2000 | 29,971 | 35.3% of population |
| 2004 | 29,279 | 40.8% of population |
| 2008 | 29,172 | 46.5% of population |
| 2012 | 28,206 | 44.5% of population |
| 2016 | 27,666 | 43.7% of population |
| 2020 | 27,182 | 48.8% of population |
| 2024 | 26,678 | 46.1% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Union shifted 22.4 points toward the Republican candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.
Margin Over Time
Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.
Bellwether Status
Union has matched the national popular winner in 4 of the last 7 presidential elections (57%), and South Carolina's own statewide winner in 7 of 7 (100%). Compare every county on the bellwether counties page.
Related Pages
Other South Carolina Counties
Frequently Asked Questions
How has Union voted in presidential elections since 2000?
Since 2000, Union has voted Democratic in 0 of 7 recorded presidential elections and Republican in 7 of 7, based on county-level returns through 2024.
What was the closest presidential election in Union?
Union's closest recorded margin was in 2012, when Mitt Romney (Republican) won by 6.4 points (788 votes) out of 12,541 total votes cast.
Has Union ever flipped between parties?
Not in the 2000-2024 record on this page -- Union has voted for the same party in every recorded presidential election in that span.
What is the largest presidential election margin recorded in Union?
The widest margin on record for Union was in 2024, when Donald J Trump (Republican) won by 33.0 points.
How many votes were cast in Union relative to its population?
In 2024, 12,289 votes were recorded in Union against a total population of 26,678 (46.1% of the total population). This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
Is Union a presidential bellwether county?
Union has matched the national popular winner in 4 of the last 7 presidential elections (57%), and South Carolina's own statewide winner in 7 of 7 (100%).