- Lead
- 6,175
- Total
- 29,824
- vs nation
- D+22.2
Illinois 43rd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 11,182
- Total
- 33,552
- vs nation
- D+28.9
- Lead
- 10,476
- Total
- 30,186
- vs nation
- D+32.6
- Lead
- 7,646
- Total
- 27,412
- vs nation
- D+24.0
- Lead
- 10,559
- Total
- 29,620
- vs nation
- D+28.4
- Lead
- 4,291
- Total
- 26,190
- vs nation
- D+18.8
- Lead
- 3,360
- Total
- 22,698
- vs nation
- D+14.3
- Lead
- 3,461
- Total
- 19,998
- vs nation
- D+8.8
Key facts
- 2024 presidential margin
- D+20.7MIT Election Lab
- Population
- 108,5912024 5-year
- Population density
- 4,161 / sq mi2024 5-year · TIGER/Line
- Land area
- 26.1 sq miTIGER/Line
- Median household income
- $83,8242024 5-year
- White (non-Hispanic)
- 27.3%2024 5-year
- Black
- 6.6%2024 5-year
- Hispanic / Latino
- 56.4%2024 5-year
- Peak Democratic margin
- D+35.6 in 2008MIT Election Lab
- Peak Republican margin
- R+65.0 in 1920MIT Election Lab
- Most similar
- State House District 2, IL · twin score 98.1
presidential history
Party record book
Illinois 43rd 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
67.2%
19,903 votes · D+35.6 · modeled estimate
Runner-up · Joe Biden, 2020 · 65.6%
Republican
Warren G. Harding1920
80.6%
7,330 votes · R+65.0 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 71.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
22,022votes
65.6% of the vote · D+33.3 · modeled estimate
Runner-up · Barack Obama, 2008 · 19,903 votes
Republican
Dwight D. Eisenhower1956
14,918votes
68.5% of the vote · R+37.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 14,898 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
+32.6pts D vs U.S.
Place D+34.7 · U.S. D+2.1 · modeled estimate
Runner-up · Joe Biden, 2020 · +28.9 pts
Republican
Warren G. Harding1920
+38.9pts R vs U.S.
Place R+65.0 · U.S. R+26.2 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · +33.3 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 |
|---|---|---|---|---|
| 2020 | D | 59.7%20,306 | 40.3%13,706 | 34,012 |
The district recorded a Democratic presidential margin of D+20.7 in 2024, compared with D+35.6 in 2008. No racial group formed a majority of its residents in the 2024 ACS 5-year, with White residents at 46.3%.
Across the recorded series it reached a Democratic high of 35.6 points in 2008 and a Republican high of 65.0 points in 1920. Between 2020 and 2024 the district moved 12.6 points toward the Republican candidate; the 2024 margin was 20.7 points.
A population of 108,591, a 27% non-Hispanic-white share, and a median household income of $83,824 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 2 and State House District 21.
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 43rd State House District. Akashic. https://akashic.app/sld-lower/17043/. Accessed May 20, 2026. License: CC BY 4.0.