St. Clair, Missouri — Presidential Election Results

St. Clair, Missouri has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 42.5 pts more Rep. than Missouri 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. Missouri
2000 George W. Bush Republican 2,731 57.6% 18.3 pts (865 votes) 4,739 — 15.4 pts more Rep.
2004 George W. Bush Republican 3,098 62.4% 25.3 pts (1,257 votes) 4,965 -6.6 pts 18.2 pts more Rep.
2008 John McCain Republican 2,981 59.8% 22.0 pts (1,095 votes) 4,988 +3.0 pts 22.4 pts more Rep.
2012 Mitt Romney Republican 3,019 65.3% 33.7 pts (1,559 votes) 4,626 -12.3 pts 25.2 pts more Rep.
2016 Donald Trump Republican 3,501 75.6% 55.4 pts (2,565 votes) 4,630 -23.0 pts 38.2 pts more Rep.
2020 Donald J Trump Republican 3,932 79.1% 59.2 pts (2,944 votes) 4,974 -2.0 pts 44.2 pts more Rep.
2024 Donald J Trump Republican 3,982 79.8% 60.6 pts (3,023 votes) 4,990 -1.3 pts 42.5 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 9,698 48.9% of population
2004 9,711 51.1% of population
2008 9,757 51.1% of population
2012 9,527 48.6% of population
2016 9,288 49.8% of population
2020 9,346 53.2% of population
2024 9,848 50.7% of population

Trend

Between 2000 and 2024, the two-party presidential margin in St. Clair shifted 42.4 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+18.8 pts 2004: R+25.5 pts 2008: R+22.5 pts 2012: R+34.8 pts 2016: R+57.8 pts 2020: R+59.8 pts 2024: R+61.2 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

St. Clair has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Missouri's own statewide winner in 7 of 7 (100%). Compare every county on the bellwether counties page.

Related Pages

Other Missouri Counties

Frequently Asked Questions

How has St. Clair voted in presidential elections since 2000?

Since 2000, St. Clair 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 St. Clair?

St. Clair's closest recorded margin was in 2000, when George W. Bush (Republican) won by 18.8 points (865 votes) out of 4,739 total votes cast.

Has St. Clair ever flipped between parties?

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

What is the largest presidential election margin recorded in St. Clair?

The widest margin on record for St. Clair was in 2024, when Donald J Trump (Republican) won by 61.2 points.

How many votes were cast in St. Clair relative to its population?

In 2024, 4,990 votes were recorded in St. Clair against a total population of 9,848 (50.7% 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 St. Clair a presidential bellwether county?

St. Clair has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Missouri's own statewide winner in 7 of 7 (100%).