- Lead
- 21,968
- Total
- 41,524
- vs nation
- D+54.4
Illinois 8th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 29,831
- Total
- 48,142
- vs nation
- D+57.5
- Lead
- 32,490
- Total
- 49,140
- vs nation
- D+64.0
- Lead
- 28,819
- Total
- 45,077
- vs nation
- D+60.1
- Lead
- 32,448
- Total
- 48,276
- vs nation
- D+59.9
- Lead
- 26,036
- Total
- 45,110
- vs nation
- D+60.2
- Lead
- 23,098
- Total
- 41,023
- vs nation
- D+55.8
- Lead
- 21,109
- Total
- 37,900
- vs nation
- D+47.2
Key facts
- 2024 presidential margin
- D+52.9MIT Election Lab
- Population
- 108,5522024 5-year
- Population density
- 7,142 / sq mi2024 5-year · TIGER/Line
- Land area
- 15.2 sq miTIGER/Line
- Median household income
- $66,3782024 5-year
- White (non-Hispanic)
- 31.1%2024 5-year
- Black
- 48.3%2024 5-year
- Hispanic / Latino
- 16.7%2024 5-year
- Peak Democratic margin
- D+67.2 in 2008MIT Election Lab
- Peak Republican margin
- R+31.7 in 1920MIT Election Lab
- Most similar
- State House District 30, IL · twin score 99.6
presidential history
Party record book
Illinois 8th 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
83.3%
40,194 votes · D+67.2 · modeled estimate
Runner-up · Barack Obama, 2012 · 81.3%
Republican
Warren G. Harding1920
62.0%
9,992 votes · R+31.7 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 54.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
40,194votes
83.3% of the vote · D+67.2 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 39,691 votes
Republican
Dwight D. Eisenhower1956
20,687votes
46.2% of the vote · D+7.6 · modeled estimate
Runner-up · Richard Nixon, 1972 · 19,628 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
+64.0pts D vs U.S.
Place D+66.1 · U.S. D+2.1 · modeled estimate
Runner-up · John Kerry, 2004 · +60.2 pts
Republican
Warren G. Harding1920
+5.5pts R vs U.S.
Place R+31.7 · U.S. R+26.2 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · +2.0 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%30,447 | 26.9%11,186 | 41,633 |
Illinois 8th 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 31.7 points in 1920. Between 2020 and 2024 the district moved 9.1 points toward the Republican candidate; the 2024 margin was 52.9 points.
A population of 108,552, a 31% non-Hispanic-white share, and a median household income of $66,378 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 30 and State House District 33.
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 8th State House District. Akashic. https://akashic.app/sld-lower/17008/. Accessed May 20, 2026. License: CC BY 4.0.