Illinois 100th State House District
Akashic| Donald Trump ✓Republican | 73.7% | 44,042 |
|---|---|---|
| Kamala HarrisDemocratic | 24.3% | 14,538 |
| Robert F. Kennedy Jr.Independent | 1.9% | 1,154 |
County-level results (10 counties) — table
| County | Winner | Margin |
|---|---|---|
| Adams County, IL | Republican | R+47.4 |
| Brown County, IL | Republican | R+59.9 |
| Calhoun County, IL | Republican | R+55.9 |
| Greene County, IL | Republican | R+57.8 |
| Jersey County, IL | Republican | R+50.2 |
| Macoupin County, IL | Republican | R+39.2 |
| Madison County, IL | Republican | R+13.2 |
| Morgan County, IL | Republican | R+32.4 |
| Pike County, IL | Republican | R+63.7 |
| Scott County, IL | Republican | R+61.2 |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 24.3%Harris14,538 | 73.7%Trump44,042 | 1.9%Kennedy1,154 | 59,734 | ||
| R | 25.1%Biden15,360 | 72.9%Trump44,607 | 2.0%Jorgensen1,214 | 61,181 | ||
| R | 24.4%Clinton13,812 | 70.5%Trump39,834 | 5.1%Johnson2,895 | 56,541 | ||
| R | 37.0%Obama19,300 | 63.0%Romney32,861 | 0.0% | 52,161 | ||
| R | 44.6%Obama25,276 | 52.6%McCain29,828 | 2.8%Nader1,572 | 56,676 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −8.0% |
| 2012 | −26.0% |
| 2016 | −46.0% |
| 2020 | −47.8% |
| 2024 | −49.4% |
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of R+49.4, this downstate district ranks among the state's most one-sided legislative constituencies, reflecting the rural and small-town demographic patterns common to far southern Illinois.
Across the recorded series it reached a Republican high of 49.4 points in 2024. Between 2020 and 2024 the district moved 1.6 points toward the Republican candidate; the 2024 margin was 49.4 points.
A population of 108,707, a 94% non-Hispanic-white share, and a median household income of $77,549 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 108 and State House District 110.
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 100th State House District. Akashic. https://akashic.app/sld-lower/17100/. Accessed May 20, 2026. License: CC BY 4.0.