Twin Falls, Idaho — Presidential Election Results

Twin Falls, Idaho has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 12.6 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 15,794 70.1% 44.5 pts (10,017 votes) 22,530 — 4.7 pts more Rep.
2004 George W. Bush Republican 19,672 74.4% 50.0 pts (13,214 votes) 26,435 -4.1 pts 11.9 pts more Rep.
2008 John McCain Republican 19,032 67.1% 36.7 pts (10,411 votes) 28,344 +12.9 pts 11.6 pts more Rep.
2012 Mitt Romney Republican 19,773 70.3% 43.5 pts (12,232 votes) 28,142 -7.1 pts 11.9 pts more Rep.
2016 Donald Trump Republican 19,828 66.4% 45.5 pts (13,595 votes) 29,874 -7.4 pts 15.5 pts more Rep.
2020 Donald J Trump Republican 25,897 70.9% 45.2 pts (16,506 votes) 36,501 +5.4 pts 15.0 pts more Rep.
2024 Donald J Trump Republican 27,304 73.0% 48.8 pts (18,240 votes) 37,383 -3.4 pts 12.6 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 64,360 35.0% of population
2004 68,309 38.7% of population
2008 75,143 37.7% of population
2012 78,550 35.8% of population
2016 83,819 35.6% of population
2020 90,374 40.4% of population
2024 96,509 38.7% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Twin Falls shifted 3.7 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+46.4 pts 2004: R+50.6 pts 2008: R+37.6 pts 2012: R+44.8 pts 2016: R+52.2 pts 2020: R+46.8 pts 2024: R+50.2 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Twin Falls 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 Twin Falls voted in presidential elections since 2000?

Since 2000, Twin Falls 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 Twin Falls?

Twin Falls's closest recorded margin was in 2008, when John McCain (Republican) won by 37.6 points (10,411 votes) out of 28,344 total votes cast.

Has Twin Falls ever flipped between parties?

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

What is the largest presidential election margin recorded in Twin Falls?

The widest margin on record for Twin Falls was in 2016, when Donald Trump (Republican) won by 52.2 points.

How many votes were cast in Twin Falls relative to its population?

In 2024, 37,383 votes were recorded in Twin Falls against a total population of 96,509 (38.7% 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 Twin Falls a presidential bellwether county?

Twin Falls 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%).