- Lead
- 18,629
- Total
- 36,553
- vs nation
- D+52.4
Illinois 3rd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 25,948
- Total
- 41,333
- vs nation
- D+58.3
- Lead
- 25,258
- Total
- 36,671
- vs nation
- D+66.8
- Lead
- 22,634
- Total
- 33,223
- vs nation
- D+64.3
- Lead
- 25,373
- Total
- 35,665
- vs nation
- D+63.9
- Lead
- 20,512
- Total
- 33,237
- vs nation
- D+64.2
- Lead
- 18,232
- Total
- 30,580
- vs nation
- D+59.1
- Lead
- 16,749
- Total
- 28,149
- vs nation
- D+51.0
Key facts
- 2024 presidential margin
- D+51.0MIT Election Lab
- Population
- 108,6362024 5-year
- Population density
- 19,752 / sq mi2024 5-year · TIGER/Line
- Land area
- 5.5 sq miTIGER/Line
- Median household income
- $95,3542024 5-year
- White (non-Hispanic)
- 31.8%2024 5-year
- Black
- 4.7%2024 5-year
- Hispanic / Latino
- 58.0%2024 5-year
- Peak Democratic margin
- D+71.1 in 2008MIT Election Lab
- Peak Republican margin
- R+25.5 in 1920MIT Election Lab
- Most similar
- State House District 39, IL · twin score 99.3
presidential history
Party record book
Illinois 3rd State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Barack Obama2008
85.0%
30,305 votes · D+71.1 · modeled estimate
Runner-up · Barack Obama, 2012 · 83.3%
Republican
Warren G. Harding1920
56.9%
6,649 votes · R+25.5 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 48.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
33,217votes
80.4% of the vote · D+62.8 · modeled estimate
Runner-up · Barack Obama, 2008 · 30,305 votes
Republican
Dwight D. Eisenhower1956
13,501votes
42.6% of the vote · D+14.8 · modeled estimate
Runner-up · Richard Nixon, 1972 · 12,710 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Hillary Clinton2016
+66.8pts D vs U.S.
Place D+68.9 · U.S. D+2.1 · modeled estimate
Runner-up · Barack Obama, 2012 · +64.3 pts
Republican
Warren G. Harding1920
−0.7pts R vs U.S.
Place R+25.5 · U.S. R+26.2 · modeled estimate
Runner-up · William H. Taft, 1912 · −2.7 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 73.1%30,471 | 26.9%11,194 | 41,665 |
Illinois 3rd State House District sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 71.1 points in 2008 and a Republican high of 25.5 points in 1920. Between 2020 and 2024 the district moved 11.8 points toward the Republican candidate; the 2024 margin was 51.0 points.
A population of 108,636, a 32% non-Hispanic-white share, and a median household income of $95,354 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 39 and State House District 4.
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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Illinois 3rd State House District. Akashic. https://akashic.app/sld-lower/17003/. Accessed May 20, 2026. License: CC BY 4.0.