Seneca, Ohio — Presidential Election Results
Seneca, Ohio has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 26.6 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 | 13,863 | 56.9% | 17.9 pts (4,351 votes) | 24,351 | — | 15.0 pts more Rep. |
| 2004 | George W. Bush | Republican | 15,885 | 58.9% | 18.3 pts (4,927 votes) | 26,991 | +0.3 pts | 16.2 pts more Rep. |
| 2008 | John McCain | Republican | 13,823 | 50.4% | 2.7 pts (736 votes) | 27,449 | +15.6 pts | 7.4 pts more Rep. |
| 2012 | Mitt Romney | Republican | 13,243 | 52.4% | 7.5 pts (1,890 votes) | 25,262 | -4.9 pts | 10.7 pts more Rep. |
| 2016 | Donald Trump | Republican | 14,825 | 61.8% | 30.9 pts (7,421 votes) | 23,987 | -25.7 pts | 24.8 pts more Rep. |
| 2020 | Donald J Trump | Republican | 17,086 | 66.2% | 34.2 pts (8,820 votes) | 25,810 | -1.4 pts | 26.6 pts more Rep. |
| 2024 | Donald J Trump | Republican | 17,241 | 68.2% | 37.5 pts (9,476 votes) | 25,263 | -3.1 pts | 26.6 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 | 58,588 | 41.6% of population |
| 2004 | 57,857 | 46.7% of population |
| 2008 | 57,199 | 48.0% of population |
| 2012 | 56,106 | 45.0% of population |
| 2016 | 55,467 | 43.2% of population |
| 2020 | 55,055 | 46.9% of population |
| 2024 | 54,730 | 46.2% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Seneca shifted 19.3 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
Seneca 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 Seneca voted in presidential elections since 2000?
Since 2000, Seneca 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 Seneca?
Seneca's closest recorded margin was in 2008, when John McCain (Republican) won by 2.7 points (736 votes) out of 27,449 total votes cast.
Has Seneca ever flipped between parties?
Not in the 2000-2024 record on this page -- Seneca has voted for the same party in every recorded presidential election in that span.
What is the largest presidential election margin recorded in Seneca?
The widest margin on record for Seneca was in 2024, when Donald J Trump (Republican) won by 37.9 points.
How many votes were cast in Seneca relative to its population?
In 2024, 25,263 votes were recorded in Seneca against a total population of 54,730 (46.2% 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 Seneca a presidential bellwether county?
Seneca 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%).