Hamilton, Ohio — Presidential Election Results
Hamilton, Ohio has voted Democratic in 5 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Democratic in 2008. In 2024, it was 26.3 pts more Dem. than Ohio 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. Ohio |
|---|---|---|---|---|---|---|---|---|
| 2000 | George W. Bush | Republican | 204,175 | 54.0% | 11.3 pts (42,597 votes) | 377,899 | — | 8.0 pts more Rep. |
| 2004 | George W. Bush | Republican | 222,404 | 52.5% | 5.4 pts (22,905 votes) | 423,634 | +6.2 pts | 3.3 pts more Rep. |
| 2008 | Barack Obama | Democratic | 224,644 | 53.0% | 7.0 pts (29,537 votes) | 424,082 | +12.5 pts | 2.4 pts more Dem. |
| 2012 | Barack Obama | Democratic | 219,927 | 52.5% | 6.4 pts (26,601 votes) | 418,894 | -0.6 pts | 3.4 pts more Dem. |
| 2016 | Hillary Clinton | Democratic | 215,719 | 52.7% | 10.3 pts (42,054 votes) | 409,109 | +4.4 pts | 19.3 pts more Dem. |
| 2020 | Joseph R Biden Jr | Democratic | 246,266 | 57.1% | 15.9 pts (68,380 votes) | 430,929 | +5.3 pts | 24.3 pts more Dem. |
| 2024 | Kamala D Harris | Democratic | 233,360 | 56.9% | 14.9 pts (60,995 votes) | 410,085 | -1.1 pts | 26.3 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 | 844,124 | 44.8% of population |
| 2004 | 817,306 | 51.8% of population |
| 2008 | 799,840 | 53.0% of population |
| 2012 | 802,409 | 52.2% of population |
| 2016 | 811,332 | 50.4% of population |
| 2020 | 830,418 | 51.9% of population |
| 2024 | 837,359 | 49.0% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Hamilton shifted 26.7 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.
Bellwether Status
Hamilton has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Ohio's own statewide winner in 4 of 7 (57%). Compare every county on the bellwether counties page.
Related Pages
Other Ohio Counties
Frequently Asked Questions
How has Hamilton voted in presidential elections since 2000?
Since 2000, Hamilton has voted Democratic in 5 of 7 recorded presidential elections and Republican in 2 of 7, based on county-level returns through 2024.
What was the closest presidential election in Hamilton?
Hamilton's closest recorded margin was in 2004, when George W. Bush (Republican) won by 5.4 points (22,905 votes) out of 423,634 total votes cast.
Has Hamilton ever flipped between parties?
Yes. Hamilton changed which party won the county in: 2008, based on the 2000-2024 record on this page.
What is the largest presidential election margin recorded in Hamilton?
The widest margin on record for Hamilton was in 2020, when Joseph R Biden Jr (Democratic) won by 16.1 points.
How many votes were cast in Hamilton relative to its population?
In 2024, 410,085 votes were recorded in Hamilton against a total population of 837,359 (49.0% 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 Hamilton a presidential bellwether county?
Hamilton has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Ohio's own statewide winner in 4 of 7 (57%).