- Lead
- 7,818
- Total
- 39,423
- vs nation
- D+21.3
Illinois 16th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 15,909
- Total
- 44,860
- vs nation
- D+31.0
- Lead
- 18,119
- Total
- 39,176
- vs nation
- D+44.2
- Lead
- 15,129
- Total
- 36,531
- vs nation
- D+37.6
- Lead
- 17,663
- Total
- 38,508
- vs nation
- D+38.6
- Lead
- 11,973
- Total
- 37,597
- vs nation
- D+34.3
- Lead
- 10,617
- Total
- 34,203
- vs nation
- D+30.5
- Lead
- 10,149
- Total
- 31,367
- vs nation
- D+23.8
Key facts
- 2024 presidential margin
- D+19.8MIT Election Lab
- Population
- 108,8612024 5-year
- Population density
- 9,987 / sq mi2024 5-year · TIGER/Line
- Land area
- 10.9 sq miTIGER/Line
- Median household income
- $85,4172024 5-year
- White (non-Hispanic)
- 43.1%2024 5-year
- Black
- 9.6%2024 5-year
- Hispanic / Latino
- 15.4%2024 5-year
- Peak Democratic margin
- D+46.3 in 2016MIT Election Lab
- Peak Republican margin
- R+57.0 in 1920MIT Election Lab
- Most similar
- State House District 15, IL · twin score 93.3
presidential history
Party record book
Illinois 16th 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
72.6%
27,939 votes · D+45.9 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 70.7%
Republican
Warren G. Harding1920
76.2%
13,543 votes · R+57.0 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 67.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
30,047votes
67.0% of the vote · D+35.5 · modeled estimate
Runner-up · Barack Obama, 2008 · 27,939 votes
Republican
Dwight D. Eisenhower1956
27,516votes
62.1% of the vote · R+24.3 · modeled estimate
Runner-up · Richard Nixon, 1972 · 26,001 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
+44.2pts D vs U.S.
Place D+46.3 · U.S. D+2.1 · modeled estimate
Runner-up · Barack Obama, 2008 · +38.6 pts
Republican
Warren G. Harding1920
+30.8pts R vs U.S.
Place R+57.0 · U.S. R+26.2 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · +24.0 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%30,534 | 26.9%11,217 | 41,751 |
Illinois House District 16 leans heavily Democratic in presidential cycles, with a 20-point margin in 2024 signaling a dense, urban-leaning electorate that has shown consistent alignment with the party's top-of-ticket candidates.
Across the recorded series it reached a Democratic high of 46.3 points in 2016 and a Republican high of 57.0 points in 1920. Between 2020 and 2024 the district moved 15.6 points toward the Republican candidate; the 2024 margin was 19.8 points.
A population of 108,861, a 43% non-Hispanic-white share, and a median household income of $85,417 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 15 and Assembly District 65.
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 16th State House District. Akashic. https://akashic.app/sld-lower/17016/. Accessed May 20, 2026. License: CC BY 4.0.