Plymouth, Iowa — Presidential Election Results

Plymouth, Iowa has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 41.5 pts more Rep. than Iowa 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. Iowa
2000 George W. Bush Republican 6,189 61.2% 26.6 pts (2,690 votes) 10,118 — 28.1 pts more Rep.
2004 George W. Bush Republican 7,810 63.9% 28.9 pts (3,532 votes) 12,222 -1.5 pts 28.5 pts more Rep.
2008 John McCain Republican 7,765 62.1% 25.1 pts (3,136 votes) 12,512 +3.9 pts 35.0 pts more Rep.
2012 Mitt Romney Republican 8,597 66.4% 34.2 pts (4,433 votes) 12,950 -9.4 pts 40.7 pts more Rep.
2016 Donald Trump Republican 9,680 73.4% 51.5 pts (6,795 votes) 13,190 -19.3 pts 44.0 pts more Rep.
2020 Donald J Trump Republican 10,515 74.1% 49.5 pts (7,021 votes) 14,188 +4.0 pts 41.5 pts more Rep.
2024 Donald J Trump Republican 10,661 76.3% 54.1 pts (7,557 votes) 13,971 -4.8 pts 41.5 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 24,870 40.7% of population
2004 25,042 48.8% of population
2008 24,898 50.3% of population
2012 24,830 52.2% of population
2016 25,180 52.4% of population
2020 25,694 55.2% of population
2024 25,825 54.1% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Plymouth shifted 27.1 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+27.8 pts 2004: R+29.2 pts 2008: R+25.3 pts 2012: R+34.7 pts 2016: R+54.1 pts 2020: R+50.1 pts 2024: R+54.9 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Plymouth has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Iowa's own statewide winner in 4 of 7 (57%). Compare every county on the bellwether counties page.

Related Pages

Other Iowa Counties

Frequently Asked Questions

How has Plymouth voted in presidential elections since 2000?

Since 2000, Plymouth 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 Plymouth?

Plymouth's closest recorded margin was in 2008, when John McCain (Republican) won by 25.3 points (3,136 votes) out of 12,512 total votes cast.

Has Plymouth ever flipped between parties?

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

What is the largest presidential election margin recorded in Plymouth?

The widest margin on record for Plymouth was in 2024, when Donald J Trump (Republican) won by 54.9 points.

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

In 2024, 13,971 votes were recorded in Plymouth against a total population of 25,825 (54.1% 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 Plymouth a presidential bellwether county?

Plymouth has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Iowa's own statewide winner in 4 of 7 (57%).