- Lead
- 51,489
- Total
- 86,381
- vs nation
- D+61.1
Illinois 17th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 66,976
- Total
- 99,141
- vs nation
- D+63.1
- Lead
- 70,641
- Total
- 101,372
- vs nation
- D+67.6
- Lead
- 64,717
- Total
- 93,143
- vs nation
- D+65.6
- Lead
- 72,797
- Total
- 100,450
- vs nation
- D+65.2
- Lead
- 59,668
- Total
- 91,947
- vs nation
- D+67.4
- Lead
- 53,740
- Total
- 81,885
- vs nation
- D+65.1
- Lead
- 49,306
- Total
- 75,203
- vs nation
- D+57.0
Key facts
- 2024 presidential margin
- D+59.6MIT Election Lab
- Population
- 217,0532024 5-year
- Population density
- 700 / sq mi2024 5-year · TIGER/Line
- Land area
- 310 sq miTIGER/Line
- Median household income
- $60,5732024 5-year
- White (non-Hispanic)
- 15.8%2024 5-year
- Black
- 63.8%2024 5-year
- Hispanic / Latino
- 16.8%2024 5-year
- Peak Democratic margin
- D+72.5 in 2008MIT Election Lab
- Peak Republican margin
- R+13.1 in 1920MIT Election Lab
- Most similar
- State Senate District 15, IL · twin score 99.4
presidential history
Party record book
Illinois 17th 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
Barack Obama2008
86.1%
86,485 votes · D+72.5 · modeled estimate
Runner-up · Barack Obama, 2012 · 84.5%
Republican
Warren G. Harding1920
53.8%
13,547 votes · R+13.1 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 46.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
86,485votes
86.1% of the vote · D+72.5 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 84,452 votes
Republican
Dwight D. Eisenhower1956
27,897votes
35.5% of the vote · D+28.9 · modeled estimate
Runner-up · Richard Nixon, 1972 · 27,768 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
+67.6pts D vs U.S.
Place D+69.7 · U.S. D+2.1 · modeled estimate
Runner-up · John Kerry, 2004 · +67.4 pts
Republican
Warren G. Harding1920
−13.1pts R vs U.S.
Place R+13.1 · U.S. R+26.2 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · −16.5 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 | 69.6%58,788 | 30.4%25,732 | 84,520 |
Illinois 17th State Senate District sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 72.5 points in 2008 and a Republican high of 13.1 points in 1920. Between 2020 and 2024 the district moved 7.9 points toward the Republican candidate; the 2024 margin was 59.6 points.
A population of 217,053, a 16% non-Hispanic-white share, and a median household income of $60,573 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 15 and State Senate District 28.
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 17th State Senate District. Akashic. https://akashic.app/sld-upper/17017/. Accessed May 20, 2026. License: CC BY 4.0.