Peoria, Illinois — Presidential Election Results
Peoria, Illinois has voted Democratic in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 6.4 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 | Al Gore | Democratic | 38,604 | 50.3% | 2.9 pts (2,206 votes) | 76,812 | — | 9.4 pts more Rep. |
| 2004 | John Kerry | Democratic | 41,121 | 49.7% | 0.1 pts (70 votes) | 82,771 | -2.9 pts | 10.3 pts more Rep. |
| 2008 | Barack Obama | Democratic | 45,906 | 56.2% | 13.9 pts (11,327 votes) | 81,704 | +14.0 pts | 11.4 pts more Rep. |
| 2012 | Barack Obama | Democratic | 40,209 | 51.3% | 4.4 pts (3,435 votes) | 78,411 | -9.6 pts | 12.7 pts more Rep. |
| 2016 | Hillary Clinton | Democratic | 38,060 | 48.5% | 3.1 pts (2,427 votes) | 78,503 | -1.2 pts | 14.7 pts more Rep. |
| 2020 | Joseph R Biden Jr | Democratic | 43,578 | 51.9% | 6.3 pts (5,326 votes) | 83,973 | +3.2 pts | 10.8 pts more Rep. |
| 2024 | Kamala D Harris | Democratic | 40,564 | 51.3% | 4.6 pts (3,668 votes) | 79,138 | -1.8 pts | 6.4 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 | 183,186 | 41.9% of population |
| 2004 | 182,613 | 45.3% of population |
| 2008 | 184,803 | 44.2% of population |
| 2012 | 187,317 | 41.9% of population |
| 2016 | 185,043 | 42.4% of population |
| 2020 | 181,512 | 46.3% of population |
| 2024 | 179,630 | 44.1% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Peoria shifted 1.8 points toward the Democratic 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
Peoria has matched the national popular winner in 3 of the last 7 presidential elections (43%), and Illinois's own statewide winner in 7 of 7 (100%). Compare every county on the bellwether counties page.
Related Pages
Other Illinois Counties
Frequently Asked Questions
How has Peoria voted in presidential elections since 2000?
Since 2000, Peoria has voted Democratic in 7 of 7 recorded presidential elections and Republican in 0 of 7, based on county-level returns through 2024.
What was the closest presidential election in Peoria?
Peoria's closest recorded margin was in 2004, when John Kerry (Democratic) won by 0.1 points (70 votes) out of 82,771 total votes cast.
Has Peoria ever flipped between parties?
Not in the 2000-2024 record on this page -- Peoria has voted for the same party in every recorded presidential election in that span.
What is the largest presidential election margin recorded in Peoria?
The widest margin on record for Peoria was in 2008, when Barack Obama (Democratic) won by 14.1 points.
How many votes were cast in Peoria relative to its population?
In 2024, 79,138 votes were recorded in Peoria against a total population of 179,630 (44.1% 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 Peoria a presidential bellwether county?
Peoria has matched the national popular winner in 3 of the last 7 presidential elections (43%), and Illinois's own statewide winner in 7 of 7 (100%).