Dorchester, South Carolina — Presidential Election Results

Dorchester, South Carolina has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 3.3 pts more Dem. 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 20,734 61.6% 25.5 pts (8,566 votes) 33,641 — 9.7 pts more Rep.
2004 George W. Bush Republican 26,006 62.9% 27.3 pts (11,273 votes) 41,317 -1.6 pts 10.4 pts more Rep.
2008 John McCain Republican 29,929 57.1% 15.5 pts (8,123 votes) 52,405 +12.0 pts 6.6 pts more Rep.
2012 Mitt Romney Republican 32,531 57.2% 16.0 pts (9,086 votes) 56,855 -0.5 pts 5.6 pts more Rep.
2016 Donald Trump Republican 34,987 55.9% 17.5 pts (10,932 votes) 62,567 -2.3 pts 3.6 pts more Rep.
2020 Donald J Trump Republican 41,913 54.2% 10.5 pts (8,089 votes) 77,278 +7.8 pts 1.2 pts more Dem.
2024 Donald J Trump Republican 43,839 56.4% 14.6 pts (11,350 votes) 77,764 -4.2 pts 3.3 pts more Dem.

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 96,757 34.8% of population
2004 107,337 38.5% of population
2008 130,593 40.1% of population
2012 142,608 39.9% of population
2016 156,173 40.1% of population
2020 162,059 47.7% of population
2024 174,663 44.5% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Dorchester shifted 11.2 points toward the Democratic 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.

2000: R+26.0 pts 2004: R+27.7 pts 2008: R+15.7 pts 2012: R+16.2 pts 2016: R+18.5 pts 2020: R+10.7 pts 2024: R+14.9 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Dorchester 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 Dorchester voted in presidential elections since 2000?

Since 2000, Dorchester 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 Dorchester?

Dorchester's closest recorded margin was in 2020, when Donald J Trump (Republican) won by 10.7 points (8,089 votes) out of 77,278 total votes cast.

Has Dorchester ever flipped between parties?

Not in the 2000-2024 record on this page -- Dorchester has voted for the same party in every recorded presidential election in that span.

What is the largest presidential election margin recorded in Dorchester?

The widest margin on record for Dorchester was in 2004, when George W. Bush (Republican) won by 27.7 points.

How many votes were cast in Dorchester relative to its population?

In 2024, 77,764 votes were recorded in Dorchester against a total population of 174,663 (44.5% 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 Dorchester a presidential bellwether county?

Dorchester 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%).