- Lead
- 2,776
- Total
- 114,206
- vs nation
- D+3.9
Illinois 33rd State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 6,550
- Total
- 116,755
- vs nation
- D+1.2
- Lead
- 254
- Total
- 99,824
- vs nation
- R+2.3
- Lead
- 7,927
- Total
- 92,445
- vs nation
- R+12.4
- Lead
- 2,706
- Total
- 97,337
- vs nation
- R+4.5
- Lead
- 17,577
- Total
- 86,712
- vs nation
- R+17.8
- Lead
- 15,215
- Total
- 72,578
- vs nation
- R+21.5
- Lead
- 8,162
- Total
- 58,457
- vs nation
- R+22.5
Key facts
- 2024 presidential margin
- D+2.4MIT Election Lab
- Population
- 217,1872024 5-year
- Population density
- 1,215 / sq mi2024 5-year · TIGER/Line
- Land area
- 179 sq miTIGER/Line
- Median household income
- $122,0232024 5-year
- White (non-Hispanic)
- 71.4%2024 5-year
- Black
- 2.6%2024 5-year
- Hispanic / Latino
- 15.6%2024 5-year
- Peak Democratic margin
- D+5.6 in 2020MIT Election Lab
- Peak Republican margin
- R+72.8 in 1920MIT Election Lab
- Most similar
- State Senate District 41, IL · twin score 91.9
presidential history
Party record book
Illinois 33rd 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
51.7%
60,412 votes · D+5.6 · modeled estimate
Runner-up · Barack Obama, 2008 · 50.5%
Republican
Warren G. Harding1920
84.3%
13,243 votes · R+72.8 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 77.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
60,412votes
51.7% of the vote · D+5.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 57,333 votes
Republican
Donald Trump2024
54,557votes
47.8% of the vote · D+2.4 · modeled estimate
Runner-up · Donald Trump, 2020 · 53,862 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
+3.9pts D vs U.S.
Place D+2.4 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +1.2 pts
Republican
Charles E. Hughes1916
+50.3pts R vs U.S.
Place R+47.1 · U.S. D+3.1 · modeled estimate
Runner-up · Warren G. Harding, 1920 · +46.6 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 | 53.2%51,208 | 46.8%44,968 | 96,176 |
| 2020 | D | 56.5%54,455 | 43.5%41,995 | 96,450 |
Illinois 33rd State Senate District sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 5.6 points in 2020 and a Republican high of 72.8 points in 1920. Between 2020 and 2024 the district moved 3.2 points toward the Republican candidate; the 2024 margin was 2.4 points.
A population of 217,187, a 71% non-Hispanic-white share, and a median household income of $122,023 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 41 and State Senate District 24.
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 33rd State Senate District. Akashic. https://akashic.app/sld-upper/17033/. Accessed May 20, 2026. License: CC BY 4.0.