- Lead
- 41,795
- Total
- 54,449
- vs nation
- D+78.2
Illinois 13th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 45,243
- Total
- 59,283
- vs nation
- D+71.9
- Lead
- 40,277
- Total
- 53,390
- vs nation
- D+73.3
- Lead
- 36,369
- Total
- 48,166
- vs nation
- D+71.7
- Lead
- 40,491
- Total
- 51,971
- vs nation
- D+70.6
- Lead
- 33,833
- Total
- 47,420
- vs nation
- D+73.8
- Lead
- 30,041
- Total
- 43,206
- vs nation
- D+69.0
- Lead
- 27,408
- Total
- 40,428
- vs nation
- D+59.3
Key facts
- 2024 presidential margin
- D+76.8MIT Election Lab
- Population
- 108,8062024 5-year
- Population density
- 22,205 / sq mi2024 5-year · TIGER/Line
- Land area
- 4.9 sq miTIGER/Line
- Median household income
- $79,8192024 5-year
- White (non-Hispanic)
- 58.4%2024 5-year
- Black
- 11.8%2024 5-year
- Hispanic / Latino
- 15.1%2024 5-year
- Peak Democratic margin
- D+77.9 in 2008MIT Election Lab
- Peak Republican margin
- R+10.1 in 1920MIT Election Lab
- Most similar
- State House District 14, IL · twin score 98.1
presidential history
Party record book
Illinois 13th 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
88.2%
45,847 votes · D+77.9 · modeled estimate
Runner-up · Kamala Harris, 2024 · 87.6%
Republican
Warren G. Harding1920
48.6%
6,986 votes · R+10.1 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 39.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
51,533votes
86.9% of the vote · D+76.3 · modeled estimate
Runner-up · Kamala Harris, 2024 · 47,692 votes
Republican
Dwight D. Eisenhower1956
14,116votes
34.0% of the vote · D+32.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 13,401 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
+78.2pts D vs U.S.
Place D+76.8 · U.S. R+1.5 · modeled estimate
Runner-up · John Kerry, 2004 · +73.8 pts
Republican
William H. Taft1912
−6.3pts R vs U.S.
Place D+25.9 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · Warren G. Harding, 1920 · −16.1 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%30,519 | 26.9%11,212 | 41,731 |
Illinois 13th State House District sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 77.9 points in 2008 and a Republican high of 10.1 points in 1920. The 2024 margin was 76.8 points.
A population of 108,806, a 58% non-Hispanic-white share, and a median household income of $79,819 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 14 and State House District 18.
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 13th State House District. Akashic. https://akashic.app/sld-lower/17013/. Accessed May 20, 2026. License: CC BY 4.0.