Williamson, Illinois — Presidential Election Results
Williamson, Illinois has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 50.4 pts more Rep. than Illinois 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. Illinois |
|---|---|---|---|---|---|---|---|---|
| 2000 | George W. Bush | Republican | 14,012 | 52.0% | 6.8 pts (1,820 votes) | 26,939 | — | 19.3 pts more Rep. |
| 2004 | George W. Bush | Republican | 18,086 | 60.4% | 21.4 pts (6,401 votes) | 29,960 | -14.6 pts | 31.9 pts more Rep. |
| 2008 | John McCain | Republican | 17,387 | 56.4% | 14.5 pts (4,473 votes) | 30,821 | +6.7 pts | 40.2 pts more Rep. |
| 2012 | Mitt Romney | Republican | 17,909 | 61.5% | 24.9 pts (7,262 votes) | 29,143 | -10.7 pts | 42.6 pts more Rep. |
| 2016 | Donald Trump | Republican | 21,570 | 67.7% | 40.8 pts (12,989 votes) | 31,852 | -17.6 pts | 61.1 pts more Rep. |
| 2020 | Donald J Trump | Republican | 22,801 | 67.8% | 37.4 pts (12,595 votes) | 33,653 | +4.9 pts | 55.5 pts more Rep. |
| 2024 | Donald J Trump | Republican | 22,686 | 68.6% | 38.7 pts (12,796 votes) | 33,068 | -1.1 pts | 50.4 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 | 61,279 | 44.0% of population |
| 2004 | 63,379 | 47.3% of population |
| 2008 | 65,674 | 46.9% of population |
| 2012 | 66,776 | 43.6% of population |
| 2016 | 67,454 | 47.2% of population |
| 2020 | 67,121 | 50.1% of population |
| 2024 | 67,064 | 49.3% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Williamson shifted 32.3 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
Williamson has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Illinois's own statewide winner in 0 of 7 (0%). Compare every county on the bellwether counties page.
Related Pages
Other Illinois Counties
Frequently Asked Questions
How has Williamson voted in presidential elections since 2000?
Since 2000, Williamson 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 Williamson?
Williamson's closest recorded margin was in 2000, when George W. Bush (Republican) won by 6.9 points (1,820 votes) out of 26,939 total votes cast.
Has Williamson ever flipped between parties?
Not in the 2000-2024 record on this page -- Williamson has voted for the same party in every recorded presidential election in that span.
What is the largest presidential election margin recorded in Williamson?
The widest margin on record for Williamson was in 2016, when Donald Trump (Republican) won by 43.1 points.
How many votes were cast in Williamson relative to its population?
In 2024, 33,068 votes were recorded in Williamson against a total population of 67,064 (49.3% 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 Williamson a presidential bellwether county?
Williamson has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Illinois's own statewide winner in 0 of 7 (0%).