St. Charles, Missouri — Presidential Election Results
St. Charles, Missouri has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 1.5 pts more Dem. 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 | 72,114 | 56.0% | 14.2 pts (18,308 votes) | 128,686 | — | 11.1 pts more Rep. |
| 2004 | George W. Bush | Republican | 95,826 | 58.6% | 17.7 pts (28,971 votes) | 163,488 | -3.3 pts | 10.6 pts more Rep. |
| 2008 | John McCain | Republican | 102,550 | 54.4% | 9.7 pts (18,367 votes) | 188,529 | +8.0 pts | 9.7 pts more Rep. |
| 2012 | Mitt Romney | Republican | 110,784 | 59.7% | 21.0 pts (38,946 votes) | 185,690 | -11.5 pts | 11.8 pts more Rep. |
| 2016 | Donald Trump | Republican | 121,650 | 60.5% | 26.4 pts (53,024 votes) | 201,005 | -6.5 pts | 8.2 pts more Rep. |
| 2020 | Donald J Trump | Republican | 128,389 | 57.8% | 17.5 pts (38,859 votes) | 222,017 | +10.0 pts | 2.2 pts more Rep. |
| 2024 | Donald J Trump | Republican | 130,588 | 57.7% | 17.0 pts (38,362 votes) | 226,166 | +0.6 pts | 1.5 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 | 286,218 | 45.0% of population |
| 2004 | 319,729 | 51.1% of population |
| 2008 | 351,179 | 53.7% of population |
| 2012 | 369,111 | 50.3% of population |
| 2016 | 390,541 | 51.5% of population |
| 2020 | 406,423 | 54.6% of population |
| 2024 | 423,726 | 53.4% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in St. Charles shifted 2.7 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.
Bellwether Status
St. Charles 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. Charles voted in presidential elections since 2000?
Since 2000, St. Charles 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. Charles?
St. Charles's closest recorded margin was in 2008, when John McCain (Republican) won by 9.8 points (18,367 votes) out of 188,529 total votes cast.
Has St. Charles ever flipped between parties?
Not in the 2000-2024 record on this page -- St. Charles has voted for the same party in every recorded presidential election in that span.
What is the largest presidential election margin recorded in St. Charles?
The widest margin on record for St. Charles was in 2016, when Donald Trump (Republican) won by 27.9 points.
How many votes were cast in St. Charles relative to its population?
In 2024, 226,166 votes were recorded in St. Charles against a total population of 423,726 (53.4% 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. Charles a presidential bellwether county?
St. Charles 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%).