- Lead
- 2,063
- Total
- 53,638
- vs nation
- D+5.3
Illinois 97th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,266
- Total
- 54,300
- vs nation
- D+5.2
- Lead
- 2,547
- Total
- 44,834
- vs nation
- D+3.6
- Lead
- 1,896
- Total
- 40,718
- vs nation
- D+0.8
- Lead
- 5,307
- Total
- 41,945
- vs nation
- D+5.4
- Lead
- 2,558
- Total
- 35,544
- vs nation
- R+4.7
- Lead
- 1,315
- Total
- 27,083
- vs nation
- R+5.4
- Lead
- 542
- Total
- 21,114
- vs nation
- R+6.0
Key facts
- 2024 presidential margin
- D+3.8MIT Election Lab
- Population
- 108,7192024 5-year
- Population density
- 1,660 / sq mi2024 5-year · TIGER/Line
- Land area
- 65.5 sq miTIGER/Line
- Median household income
- $142,6522024 5-year
- White (non-Hispanic)
- 62.0%2024 5-year
- Black
- 8.9%2024 5-year
- Hispanic / Latino
- 17.5%2024 5-year
- Peak Democratic margin
- D+12.7 in 2008MIT Election Lab
- Peak Republican margin
- R+55.7 in 1920MIT Election Lab
- Most similar
- State House District 66, IL · twin score 83.5
presidential history
Party record book
Illinois 97th 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
55.4%
23,257 votes · D+12.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 54.6%
Republican
Warren G. Harding1920
75.1%
3,170 votes · R+55.7 · modeled estimate
Runner-up · Richard Nixon, 1972 · 66.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
29,176votes
53.7% of the vote · D+9.7 · modeled estimate
Runner-up · Kamala Harris, 2024 · 27,284 votes
Republican
Donald Trump2024
25,221votes
47.0% of the vote · D+3.8 · modeled estimate
Runner-up · Donald Trump, 2020 · 23,910 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
Barack Obama2008
+5.4pts D vs U.S.
Place D+12.7 · U.S. D+7.3 · modeled estimate
Runner-up · Kamala Harris, 2024 · +5.3 pts
Republican
Charles E. Hughes1916
+31.3pts R vs U.S.
Place R+28.2 · U.S. D+3.1 · modeled estimate
Runner-up · Warren G. Harding, 1920 · +29.5 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.
Anchored in suburban Cook County, this district's lopsided presidential margins reflect a densely populated, majority-minority electorate that has moved consistently toward Democratic candidates over the past decade.
Across the recorded series it reached a Democratic high of 12.7 points in 2008 and a Republican high of 55.7 points in 1920. Between 2020 and 2024 the district moved 5.9 points toward the Republican candidate; the 2024 margin was 3.8 points.
A population of 108,719, a 62% non-Hispanic-white share, and a median household income of $142,652 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 66 and State House District 63.
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 97th State House District. Akashic. https://akashic.app/sld-lower/17097/. Accessed May 20, 2026. License: CC BY 4.0.