Illinois 105th State House District
Akashic| Donald Trump ✓Republican | 62.4% | 35,701 |
|---|---|---|
| Kamala HarrisDemocratic | 35.3% | 20,181 |
| Robert F. Kennedy Jr.Independent | 2.4% | 1,353 |
County-level results (9 counties) — table
| County | Winner | Margin |
|---|---|---|
| Bureau County, IL | Republican | R+24.3 |
| LaSalle County, IL | Republican | R+18.5 |
| Livingston County, IL | Republican | R+46.3 |
| Marshall County, IL | Republican | R+36.0 |
| McLean County, IL | Democratic | D+4.9 |
| Peoria County, IL | Democratic | D+4.6 |
| Putnam County, IL | Republican | R+22.8 |
| Tazewell County, IL | Republican | R+26.6 |
| Woodford County, IL | Republican | R+42.0 |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 35.3%Harris20,181 | 62.4%Trump35,701 | 2.4%Kennedy1,353 | 57,235 | ||
| R | 35.7%Biden20,659 | 62.0%Trump35,916 | 2.3%Jorgensen1,327 | 57,902 | ||
| R | 31.4%Clinton16,533 | 60.6%Trump31,887 | 8.0%Johnson4,186 | 52,606 | ||
| R | 36.2%Obama17,689 | 63.8%Romney31,157 | 0.0% | 48,846 | ||
| R | 42.3%Obama22,012 | 55.3%McCain28,809 | 2.4%Nader1,249 | 52,070 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −13.1% |
| 2012 | −27.6% |
| 2016 | −29.2% |
| 2020 | −26.3% |
| 2024 | −27.1% |
State legislative officeholder from OpenStates nightly current-legislator data.
District 105 spans rural central Illinois and delivered a 46-point Republican presidential margin in 2024, making it among the most reliably conservative state house seats in a state whose statewide offices lean Democratic.
Across the recorded series it reached a Republican high of 29.2 points in 2016. Between 2020 and 2024 the district moved 0.8 points toward the Republican candidate; the 2024 margin was 27.1 points.
A population of 108,658, a 90% non-Hispanic-white share, and a median household income of $85,019 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 169 and State House District 92.
The state-house districts 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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Illinois 105th State House District. Akashic. https://akashic.app/sld-lower/17105/. Accessed May 20, 2026. License: CC BY 4.0.