- Lead
- 39,501
- Total
- 69,915
- vs nation
- D+58.0
Illinois 2nd State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 54,722
- Total
- 81,087
- vs nation
- D+63.0
- Lead
- 54,702
- Total
- 74,000
- vs nation
- D+71.8
- Lead
- 49,425
- Total
- 66,814
- vs nation
- D+70.1
- Lead
- 55,215
- Total
- 72,085
- vs nation
- D+69.3
- Lead
- 45,584
- Total
- 66,350
- vs nation
- D+71.2
- Lead
- 40,528
- Total
- 60,800
- vs nation
- D+66.1
- Lead
- 37,005
- Total
- 56,264
- vs nation
- D+57.2
Key facts
- 2024 presidential margin
- D+56.5MIT Election Lab
- Population
- 217,1692024 5-year
- Population density
- 19,565 / sq mi2024 5-year · TIGER/Line
- Land area
- 11.1 sq miTIGER/Line
- Median household income
- $89,9082024 5-year
- White (non-Hispanic)
- 29.2%2024 5-year
- Black
- 8.9%2024 5-year
- Hispanic / Latino
- 57.0%2024 5-year
- Peak Democratic margin
- D+76.6 in 2008MIT Election Lab
- Peak Republican margin
- R+14.6 in 1920MIT Election Lab
- Most similar
- State Senate District 20, IL · twin score 97.8
presidential history
Party record book
Illinois 2nd 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
87.7%
63,198 votes · D+76.6 · modeled estimate
Runner-up · Barack Obama, 2012 · 86.2%
Republican
Warren G. Harding1920
51.1%
10,730 votes · R+14.6 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 43.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
67,064votes
82.7% of the vote · D+67.5 · modeled estimate
Runner-up · Barack Obama, 2008 · 63,198 votes
Republican
Dwight D. Eisenhower1956
22,108votes
36.8% of the vote · D+26.3 · modeled estimate
Runner-up · Richard Nixon, 1972 · 20,765 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
+71.8pts D vs U.S.
Place D+73.9 · U.S. D+2.1 · modeled estimate
Runner-up · John Kerry, 2004 · +71.2 pts
Republican
William H. Taft1912
−7.2pts R vs U.S.
Place D+26.7 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · Warren G. Harding, 1920 · −11.6 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Anchored in Chicago's North Side neighborhoods, this district consistently posts some of the widest Democratic margins in Illinois, reflecting a dense, highly educated urban electorate that has shifted little in composition over recent cycles.
Across the recorded series it reached a Democratic high of 76.6 points in 2008 and a Republican high of 14.6 points in 1920. Between 2020 and 2024 the district moved 11.0 points toward the Republican candidate; the 2024 margin was 56.5 points.
A population of 217,169, a 29% non-Hispanic-white share, and a median household income of $89,908 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 20 and State Senate District 39.
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 2nd State Senate District. Akashic. https://akashic.app/sld-upper/17002/. Accessed May 20, 2026. License: CC BY 4.0.