Peoria, Illinois
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +6.5% |
| 2008 | +20.2% |
| 2012 | +13.9% |
| 2016 | +19.8% |
| 2020 | +24.5% |
| 2024 | +23.3% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 60.1%Harris26,645 | 36.8%Trump16,324 | 3.1% | D+23.3 | R+1.3 | D+24.7 | 44,347 | |
| D | 61.0%Biden29,088 | 36.4%Trump17,380 | 2.6% | D+24.5 | D+4.7 | D+20.1 | 47,692 | |
| D | 56.6%Clinton25,664 | 36.8%Trump16,678 | 6.7% | D+19.8 | D+5.9 | D+17.7 | 45,377 | |
| D | 56.0%Obama25,857 | 42.1%Romney19,447 | 1.8% | D+13.9 | R+6.3 | D+10.0 | 46,144 | |
| D | 59.3%Obama28,837 | 39.2%McCain19,028 | 1.5% | D+20.2 | D+13.6 | D+12.9 | 48,594 | |
| D | 52.8%Kerry25,768 | 46.2%Bush22,572 | 1.0% | D+6.5 | — | D+9.0 | 48,848 |
Peoria's manufacturing heritage and a shrinking but significant Caterpillar workforce make it a reliable bellwether for working-class voter movement in central Illinois, where recent cycles have seen widening Republican margins outside the urban core.
Across the recorded series it reached a Democratic high of 24.5 points in 2020. Between 2020 and 2024 the city moved 1.3 points toward the Republican candidate; the 2024 margin was 23.3 points.
A population of 112,169, a 55% non-Hispanic-white share, and a median household income of $59,410 describe the city. The city's voting pattern over the last decade is most similar to that of Little Rock and Winston-Salem.
The cities whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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Peoria, Illinois. Akashic. https://akashic.app/city/1759000/. Accessed May 20, 2026. License: CC BY 4.0.