- Lead
- 23,184
- Total
- 38,310
- vs nation
- D+62.0
Illinois 39th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 30,973
- Total
- 44,662
- vs nation
- D+64.9
- Lead
- 29,328
- Total
- 40,383
- vs nation
- D+70.5
- Lead
- 26,467
- Total
- 36,484
- vs nation
- D+68.7
- Lead
- 29,541
- Total
- 39,276
- vs nation
- D+67.9
- Lead
- 24,320
- Total
- 36,132
- vs nation
- D+69.8
- Lead
- 21,559
- Total
- 33,206
- vs nation
- D+64.4
- Lead
- 19,751
- Total
- 30,785
- vs nation
- D+55.6
Key facts
- 2024 presidential margin
- D+60.5MIT Election Lab
- Population
- 108,4342024 5-year
- Population density
- 21,262 / sq mi2024 5-year · TIGER/Line
- Land area
- 5.1 sq miTIGER/Line
- Median household income
- $87,9382024 5-year
- White (non-Hispanic)
- 34.8%2024 5-year
- Black
- 3.8%2024 5-year
- Hispanic / Latino
- 55.3%2024 5-year
- Peak Democratic margin
- D+75.2 in 2008MIT Election Lab
- Peak Republican margin
- R+17.1 in 1920MIT Election Lab
- Most similar
- State House District 3, IL · twin score 99.3
presidential history
Party record book
Illinois 39th 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
86.8%
34,095 votes · D+75.2 · modeled estimate
Runner-up · Barack Obama, 2012 · 85.3%
Republican
Warren G. Harding1920
52.2%
6,154 votes · R+17.1 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 44.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
37,269votes
83.4% of the vote · D+69.3 · modeled estimate
Runner-up · Barack Obama, 2008 · 34,095 votes
Republican
Dwight D. Eisenhower1956
12,480votes
37.9% of the vote · D+24.2 · modeled estimate
Runner-up · Richard Nixon, 1972 · 11,745 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
+70.5pts D vs U.S.
Place D+72.6 · U.S. D+2.1 · modeled estimate
Runner-up · John Kerry, 2004 · +69.8 pts
Republican
William H. Taft1912
−4.3pts R vs U.S.
Place D+23.8 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · Warren G. Harding, 1920 · −9.1 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%30,414 | 26.9%11,173 | 41,587 |
Illinois 39th State House District sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 75.2 points in 2008 and a Republican high of 17.1 points in 1920. Between 2020 and 2024 the district moved 8.8 points toward the Republican candidate; the 2024 margin was 60.5 points.
A population of 108,434, a 35% non-Hispanic-white share, and a median household income of $87,938 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 3 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 39th State House District. Akashic. https://akashic.app/sld-lower/17039/. Accessed May 20, 2026. License: CC BY 4.0.