- Lead
- 75,408
- Total
- 113,492
- vs nation
- D+67.9
Illinois 6th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 81,981
- Total
- 120,582
- vs nation
- D+63.5
- Lead
- 69,820
- Total
- 108,589
- vs nation
- D+62.2
- Lead
- 61,783
- Total
- 98,090
- vs nation
- D+59.1
- Lead
- 69,677
- Total
- 104,960
- vs nation
- D+59.1
- Lead
- 55,730
- Total
- 97,775
- vs nation
- D+59.5
- Lead
- 49,431
- Total
- 89,239
- vs nation
- D+54.9
- Lead
- 45,313
- Total
- 84,285
- vs nation
- D+45.2
Key facts
- 2024 presidential margin
- D+66.4MIT Election Lab
- Population
- 217,4492024 5-year
- Population density
- 31,978 / sq mi2024 5-year · TIGER/Line
- Land area
- 6.8 sq miTIGER/Line
- Median household income
- $113,2902024 5-year
- White (non-Hispanic)
- 75.7%2024 5-year
- Black
- 4.0%2024 5-year
- Hispanic / Latino
- 8.3%2024 5-year
- Peak Democratic margin
- D+68.0 in 2020MIT Election Lab
- Peak Republican margin
- R+31.0 in 1920MIT Election Lab
- Most similar
- State Senate District 9, IL · twin score 92.8
presidential history
Party record book
Illinois 6th State Senate 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
Joe Biden2020
82.8%
99,888 votes · D+68.0 · modeled estimate
Runner-up · Barack Obama, 2008 · 82.4%
Republican
Warren G. Harding1920
59.6%
21,816 votes · R+31.0 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 48.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
99,888votes
82.8% of the vote · D+68.0 · modeled estimate
Runner-up · Kamala Harris, 2024 · 93,446 votes
Republican
Dwight D. Eisenhower1956
44,207votes
46.1% of the vote · D+7.8 · modeled estimate
Runner-up · Richard Nixon, 1972 · 42,067 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
Kamala Harris2024
+67.9pts D vs U.S.
Place D+66.4 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +63.5 pts
Republican
Warren G. Harding1920
+4.8pts R vs U.S.
Place R+31.0 · U.S. R+26.2 · modeled estimate
Runner-up · William H. Taft, 1912 · +2.3 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 |
|---|---|---|---|---|
| 2024 | D | 73.1%60,991 | 26.9%22,407 | 83,398 |
Illinois 6th State Senate District sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 68.0 points in 2020 and a Republican high of 31.0 points in 1920. Between 2020 and 2024 the district moved 1.5 points toward the Republican candidate; the 2024 margin was 66.4 points.
A population of 217,449, a 76% non-Hispanic-white share, and a median household income of $113,290 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 9 and State Senate District 7.
The state-senate 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 6th State Senate District. Akashic. https://akashic.app/sld-upper/17006/. Accessed May 20, 2026. License: CC BY 4.0.