Bonneville, Idaho — Presidential Election Results
Bonneville, Idaho has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 9.4 pts more Rep. than Idaho 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. Idaho |
|---|---|---|---|---|---|---|---|---|
| 2000 | George W. Bush | Republican | 24,988 | 74.5% | 52.9 pts (17,753 votes) | 33,556 | — | 13.4 pts more Rep. |
| 2004 | George W. Bush | Republican | 30,048 | 77.3% | 55.8 pts (21,692 votes) | 38,871 | -1.4 pts | 17.8 pts more Rep. |
| 2008 | John McCain | Republican | 29,334 | 70.3% | 43.0 pts (17,917 votes) | 41,703 | +12.5 pts | 17.9 pts more Rep. |
| 2012 | Mitt Romney | Republican | 32,276 | 74.7% | 51.8 pts (22,373 votes) | 43,213 | -9.1 pts | 20.2 pts more Rep. |
| 2016 | Donald Trump | Republican | 26,699 | 60.4% | 40.2 pts (17,769 votes) | 44,221 | +3.2 pts | 13.3 pts more Rep. |
| 2020 | Donald J Trump | Republican | 37,805 | 70.0% | 43.6 pts (23,551 votes) | 53,995 | +4.6 pts | 13.5 pts more Rep. |
| 2024 | Donald J Trump | Republican | 40,053 | 71.0% | 45.4 pts (25,595 votes) | 56,436 | -1.7 pts | 9.4 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 | 82,968 | 40.4% of population |
| 2004 | 89,514 | 43.4% of population |
| 2008 | 100,811 | 41.4% of population |
| 2012 | 106,764 | 40.5% of population |
| 2016 | 112,118 | 39.4% of population |
| 2020 | 124,736 | 43.3% of population |
| 2024 | 133,644 | 42.2% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Bonneville shifted 8.1 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
Bonneville has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Idaho's own statewide winner in 7 of 7 (100%). Compare every county on the bellwether counties page.
Related Pages
Other Idaho Counties
Frequently Asked Questions
How has Bonneville voted in presidential elections since 2000?
Since 2000, Bonneville 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 Bonneville?
Bonneville's closest recorded margin was in 2008, when John McCain (Republican) won by 44.0 points (17,917 votes) out of 41,703 total votes cast.
Has Bonneville ever flipped between parties?
Not in the 2000-2024 record on this page -- Bonneville has voted for the same party in every recorded presidential election in that span.
What is the largest presidential election margin recorded in Bonneville?
The widest margin on record for Bonneville was in 2004, when George W. Bush (Republican) won by 56.5 points.
How many votes were cast in Bonneville relative to its population?
In 2024, 56,436 votes were recorded in Bonneville against a total population of 133,644 (42.2% 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 Bonneville a presidential bellwether county?
Bonneville has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Idaho's own statewide winner in 7 of 7 (100%).