Suffolk, New York — Presidential Election Results
Suffolk, New York has voted Democratic in 4 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Republican in 2016. In 2024, it was 22.7 pts more Rep. than New York 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. New York |
|---|---|---|---|---|---|---|---|---|
| 2000 | Al Gore | Democratic | 306,306 | 53.4% | 11.4 pts (65,314 votes) | 573,866 | — | 14.2 pts more Rep. |
| 2004 | John Kerry | Democratic | 307,011 | 48.1% | 2.3 pts (14,825 votes) | 638,712 | -9.5 pts | 17.2 pts more Rep. |
| 2008 | Barack Obama | Democratic | 346,379 | 52.6% | 6.0 pts (39,564 votes) | 659,027 | +3.6 pts | 20.9 pts more Rep. |
| 2012 | Barack Obama | Democratic | 287,519 | 49.0% | 7.5 pts (44,261 votes) | 586,258 | +2.3 pts | 23.7 pts more Rep. |
| 2016 | Donald Trump | Republican | 350,570 | 51.5% | 6.8 pts (46,619 votes) | 681,254 | -15.5 pts | 30.7 pts more Rep. |
| 2020 | Donald J Trump | Republican | 375,821 | 49.6% | 1.0 pts (7,821 votes) | 757,877 | +6.1 pts | 24.5 pts more Rep. |
| 2024 | Donald J Trump | Republican | 417,549 | 54.7% | 9.9 pts (75,737 votes) | 762,849 | -8.9 pts | 22.7 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 | 1,424,081 | 40.3% of population |
| 2004 | 1,478,215 | 43.2% of population |
| 2008 | 1,480,218 | 44.5% of population |
| 2012 | 1,496,982 | 39.2% of population |
| 2016 | 1,486,406 | 45.8% of population |
| 2020 | 1,522,175 | 49.8% of population |
| 2024 | 1,535,909 | 49.7% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Suffolk shifted 21.9 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
Suffolk has matched the national popular winner in 4 of the last 7 presidential elections (57%), and New York's own statewide winner in 4 of 7 (57%). Compare every county on the bellwether counties page.
Related Pages
Other New York Counties
Frequently Asked Questions
How has Suffolk voted in presidential elections since 2000?
Since 2000, Suffolk has voted Democratic in 4 of 7 recorded presidential elections and Republican in 3 of 7, based on county-level returns through 2024.
What was the closest presidential election in Suffolk?
Suffolk's closest recorded margin was in 2020, when Donald J Trump (Republican) won by 1.1 points (7,821 votes) out of 757,877 total votes cast.
Has Suffolk ever flipped between parties?
Yes. Suffolk changed which party won the county in: 2016, based on the 2000-2024 record on this page.
What is the largest presidential election margin recorded in Suffolk?
The widest margin on record for Suffolk was in 2000, when Al Gore (Democratic) won by 11.9 points.
How many votes were cast in Suffolk relative to its population?
In 2024, 762,849 votes were recorded in Suffolk against a total population of 1,535,909 (49.7% 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 Suffolk a presidential bellwether county?
Suffolk has matched the national popular winner in 4 of the last 7 presidential elections (57%), and New York's own statewide winner in 4 of 7 (57%).