- Lead
- 7,030
- Total
- 24,314
- vs nation
- D+30.4
Illinois 1st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 16,104
- Total
- 28,702
- vs nation
- D+51.7
- Lead
- 18,142
- Total
- 27,726
- vs nation
- D+63.3
- Lead
- 16,155
- Total
- 25,221
- vs nation
- D+60.2
- Lead
- 18,035
- Total
- 26,855
- vs nation
- D+59.9
- Lead
- 14,469
- Total
- 25,453
- vs nation
- D+59.3
- Lead
- 12,858
- Total
- 22,652
- vs nation
- D+56.2
- Lead
- 11,754
- Total
- 21,367
- vs nation
- D+46.5
Key facts
- 2024 presidential margin
- D+28.9MIT Election Lab
- Population
- 108,4182024 5-year
- Population density
- 9,680 / sq mi2024 5-year · TIGER/Line
- Land area
- 11.2 sq miTIGER/Line
- Median household income
- $67,1572024 5-year
- White (non-Hispanic)
- 11.3%2024 5-year
- Black
- 5.4%2024 5-year
- Hispanic / Latino
- 79.1%2024 5-year
- Peak Democratic margin
- D+67.2 in 2008MIT Election Lab
- Peak Republican margin
- R+32.1 in 1920MIT Election Lab
- Most similar
- State House District 23, IL · twin score 99.1
presidential history
Party record book
Illinois 1st 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
83.4%
22,405 votes · D+67.2 · modeled estimate
Runner-up · Barack Obama, 2012 · 81.8%
Republican
Warren G. Harding1920
61.0%
5,760 votes · R+32.1 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 53.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
22,405votes
83.4% of the vote · D+67.2 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 22,316 votes
Republican
Dwight D. Eisenhower1956
12,058votes
47.0% of the vote · D+5.9 · modeled estimate
Runner-up · Richard Nixon, 1972 · 11,386 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
+63.3pts D vs U.S.
Place D+65.4 · U.S. D+2.1 · modeled estimate
Runner-up · Barack Obama, 2012 · +60.2 pts
Republican
Warren G. Harding1920
+5.9pts R vs U.S.
Place R+32.1 · U.S. R+26.2 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · +1.1 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Illinois 1st State House District sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 67.2 points in 2008 and a Republican high of 32.1 points in 1920. Between 2020 and 2024 the district moved 27.2 points toward the Republican candidate; the 2024 margin was 28.9 points.
A population of 108,418, a 11% non-Hispanic-white share, and a median household income of $67,157 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 23 and State House District 22.
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 1st State House District. Akashic. https://akashic.app/sld-lower/17001/. Accessed May 20, 2026. License: CC BY 4.0.