Mercer, Ohio — Presidential Election Results
Mercer, Ohio has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 55.9 pts more Rep. 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 | 12,485 | 68.2% | 39.8 pts (7,273 votes) | 18,294 | — | 37.5 pts more Rep. |
| 2004 | George W. Bush | Republican | 15,649 | 74.9% | 50.4 pts (10,532 votes) | 20,888 | -9.6 pts | 48.6 pts more Rep. |
| 2008 | John McCain | Republican | 15,100 | 71.0% | 43.5 pts (9,247 votes) | 21,271 | +6.6 pts | 48.7 pts more Rep. |
| 2012 | Mitt Romney | Republican | 16,561 | 76.5% | 54.5 pts (11,816 votes) | 21,661 | -11.3 pts | 58.5 pts more Rep. |
| 2016 | Donald Trump | Republican | 17,506 | 80.6% | 65.0 pts (14,122 votes) | 21,726 | -12.1 pts | 59.1 pts more Rep. |
| 2020 | Donald J Trump | Republican | 19,452 | 81.9% | 64.9 pts (15,422 votes) | 23,761 | +1.9 pts | 57.5 pts more Rep. |
| 2024 | Donald J Trump | Republican | 19,710 | 83.0% | 66.7 pts (15,845 votes) | 23,753 | -1.5 pts | 55.9 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 | 40,913 | 44.7% of population |
| 2004 | 40,889 | 51.1% of population |
| 2008 | 41,022 | 51.9% of population |
| 2012 | 40,705 | 53.2% of population |
| 2016 | 40,715 | 53.4% of population |
| 2020 | 42,532 | 55.9% of population |
| 2024 | 42,648 | 55.7% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Mercer shifted 26.1 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
Mercer has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Ohio's own statewide winner in 5 of 7 (71%). Compare every county on the bellwether counties page.
Related Pages
Other Ohio Counties
Frequently Asked Questions
How has Mercer voted in presidential elections since 2000?
Since 2000, Mercer 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 Mercer?
Mercer's closest recorded margin was in 2000, when George W. Bush (Republican) won by 41.1 points (7,273 votes) out of 18,294 total votes cast.
Has Mercer ever flipped between parties?
Not in the 2000-2024 record on this page -- Mercer has voted for the same party in every recorded presidential election in that span.
What is the largest presidential election margin recorded in Mercer?
The widest margin on record for Mercer was in 2016, when Donald Trump (Republican) won by 67.6 points.
How many votes were cast in Mercer relative to its population?
In 2024, 23,753 votes were recorded in Mercer against a total population of 42,648 (55.7% 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 Mercer a presidential bellwether county?
Mercer has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Ohio's own statewide winner in 5 of 7 (71%).