Bannock, Idaho — Presidential Election Results

Bannock, Idaho has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 11.6 pts more Dem. 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 18,223 59.1% 23.8 pts (7,331 votes) 30,852 — 16.5 pts more Dem.
2004 George W. Bush Republican 21,479 61.6% 24.6 pts (8,576 votes) 34,843 +0.2 pts 13.7 pts more Dem.
2008 John McCain Republican 19,356 55.1% 13.0 pts (4,564 votes) 35,105 +11.6 pts 12.7 pts more Dem.
2012 Mitt Romney Republican 21,010 59.6% 22.1 pts (7,796 votes) 35,260 -9.4 pts 10.1 pts more Dem.
2016 Donald Trump Republican 17,180 51.4% 20.5 pts (6,838 votes) 33,416 -2.1 pts 11.8 pts more Dem.
2020 Donald J Trump Republican 23,331 59.0% 21.9 pts (8,649 votes) 39,553 +2.1 pts 9.0 pts more Dem.
2024 Donald J Trump Republican 24,329 60.9% 25.1 pts (10,023 votes) 39,976 -3.2 pts 11.6 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 75,728 40.7% of population
2004 76,834 45.3% of population
2008 80,609 43.5% of population
2012 83,755 42.1% of population
2016 84,676 39.5% of population
2020 87,281 45.3% of population
2024 91,010 43.9% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Bannock shifted 0.8 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.

2000: R+25.2 pts 2004: R+24.9 pts 2008: R+13.4 pts 2012: R+22.8 pts 2016: R+24.8 pts 2020: R+22.8 pts 2024: R+25.9 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Bannock 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 Bannock voted in presidential elections since 2000?

Since 2000, Bannock 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 Bannock?

Bannock's closest recorded margin was in 2008, when John McCain (Republican) won by 13.4 points (4,564 votes) out of 35,105 total votes cast.

Has Bannock ever flipped between parties?

Not in the 2000-2024 record on this page -- Bannock has voted for the same party in every recorded presidential election in that span.

What is the largest presidential election margin recorded in Bannock?

The widest margin on record for Bannock was in 2024, when Donald J Trump (Republican) won by 25.9 points.

How many votes were cast in Bannock relative to its population?

In 2024, 39,976 votes were recorded in Bannock against a total population of 91,010 (43.9% 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 Bannock a presidential bellwether county?

Bannock 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%).