Jo Daviess, Illinois — Presidential Election Results
Jo Daviess, Illinois has voted Republican in 5 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Republican in 2016. In 2024, it was 28.2 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 | 5,304 | 51.4% | 7.0 pts (719 votes) | 10,322 | — | 19.6 pts more Rep. |
| 2004 | George W. Bush | Republican | 6,174 | 53.3% | 7.4 pts (863 votes) | 11,584 | -0.2 pts | 17.9 pts more Rep. |
| 2008 | Barack Obama | Democratic | 6,403 | 54.5% | 10.5 pts (1,233 votes) | 11,750 | +18.2 pts | 14.8 pts more Rep. |
| 2012 | Barack Obama | Democratic | 5,667 | 49.6% | 1.2 pts (133 votes) | 11,429 | -9.5 pts | 16.0 pts more Rep. |
| 2016 | Donald Trump | Republican | 6,121 | 54.0% | 14.6 pts (1,659 votes) | 11,334 | -16.9 pts | 33.7 pts more Rep. |
| 2020 | Donald J Trump | Republican | 7,166 | 57.3% | 16.5 pts (2,057 votes) | 12,496 | -1.1 pts | 34.1 pts more Rep. |
| 2024 | Donald J Trump | Republican | 7,136 | 57.5% | 16.8 pts (2,085 votes) | 12,414 | -0.4 pts | 28.2 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 | 22,296 | 46.3% of population |
| 2004 | 22,646 | 51.2% of population |
| 2008 | 22,715 | 51.7% of population |
| 2012 | 22,543 | 50.7% of population |
| 2016 | 21,814 | 52.0% of population |
| 2020 | 22,098 | 56.5% of population |
| 2024 | 21,528 | 57.7% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Jo Daviess shifted 9.8 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
Jo Daviess has matched the national popular winner in 6 of the last 7 presidential elections (86%), and Illinois's own statewide winner in 2 of 7 (29%). Compare every county on the bellwether counties page.
Related Pages
Other Illinois Counties
Frequently Asked Questions
How has Jo Daviess voted in presidential elections since 2000?
Since 2000, Jo Daviess has voted Democratic in 2 of 7 recorded presidential elections and Republican in 5 of 7, based on county-level returns through 2024.
What was the closest presidential election in Jo Daviess?
Jo Daviess's closest recorded margin was in 2012, when Barack Obama (Democratic) won by 1.2 points (133 votes) out of 11,429 total votes cast.
Has Jo Daviess ever flipped between parties?
Yes. Jo Daviess changed which party won the county in: 2008, 2016, based on the 2000-2024 record on this page.
What is the largest presidential election margin recorded in Jo Daviess?
The widest margin on record for Jo Daviess was in 2024, when Donald J Trump (Republican) won by 17.1 points.
How many votes were cast in Jo Daviess relative to its population?
In 2024, 12,414 votes were recorded in Jo Daviess against a total population of 21,528 (57.7% 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 Jo Daviess a presidential bellwether county?
Jo Daviess has matched the national popular winner in 6 of the last 7 presidential elections (86%), and Illinois's own statewide winner in 2 of 7 (29%).