Boise, Idaho — Presidential Election Results
Boise, Idaho has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 18.0 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 | 2,019 | 66.1% | 41.7 pts (1,274 votes) | 3,055 | — | 4.4 pts more Rep. |
| 2004 | George W. Bush | Republican | 2,501 | 70.9% | 43.4 pts (1,531 votes) | 3,527 | +2.0 pts | 5.5 pts more Rep. |
| 2008 | John McCain | Republican | 2,433 | 64.5% | 31.6 pts (1,193 votes) | 3,773 | +11.6 pts | 6.4 pts more Rep. |
| 2012 | Mitt Romney | Republican | 2,284 | 66.3% | 35.7 pts (1,231 votes) | 3,445 | -4.4 pts | 4.0 pts more Rep. |
| 2016 | Donald Trump | Republican | 2,673 | 70.1% | 49.7 pts (1,896 votes) | 3,814 | -18.1 pts | 18.3 pts more Rep. |
| 2020 | Donald J Trump | Republican | 3,485 | 72.3% | 47.3 pts (2,281 votes) | 4,820 | +6.3 pts | 16.9 pts more Rep. |
| 2024 | Donald J Trump | Republican | 3,727 | 75.9% | 54.2 pts (2,662 votes) | 4,910 | -6.9 pts | 18.0 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 | 6,702 | 45.6% of population |
| 2004 | 7,004 | 50.4% of population |
| 2008 | 7,148 | 52.8% of population |
| 2012 | 6,790 | 50.7% of population |
| 2016 | 7,095 | 53.8% of population |
| 2020 | 7,663 | 62.9% of population |
| 2024 | 8,581 | 57.2% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Boise shifted 9.5 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
Boise 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 Boise voted in presidential elections since 2000?
Since 2000, Boise 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 Boise?
Boise's closest recorded margin was in 2008, when John McCain (Republican) won by 32.5 points (1,193 votes) out of 3,773 total votes cast.
Has Boise ever flipped between parties?
Not in the 2000-2024 record on this page -- Boise has voted for the same party in every recorded presidential election in that span.
What is the largest presidential election margin recorded in Boise?
The widest margin on record for Boise was in 2024, when Donald J Trump (Republican) won by 55.6 points.
How many votes were cast in Boise relative to its population?
In 2024, 4,910 votes were recorded in Boise against a total population of 8,581 (57.2% 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 Boise a presidential bellwether county?
Boise 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%).