Illinois 41st 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
54.2%
68,399 votes · D+10.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 52.4%
Republican
Warren G. Harding1920
88.5%
22,337 votes · R+81.1 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 83.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
68,399votes
54.2% of the vote · D+10.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 62,539 votes
Republican
Ronald Reagan1984
77,210votes
77.8% of the vote · R+56.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 71,917 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
+9.1pts D vs U.S.
Place D+7.6 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +6.2 pts
Republican
Charles E. Hughes1916
+62.1pts R vs U.S.
Place R+59.0 · U.S. D+3.1 · modeled estimate
Runner-up · William McKinley, 1896 · +61.8 pts
current representation
Current officeholders
RJohn CurranState Senate · 41
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 2 House
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
D
59.8%59,491
40.2%39,940
99,431
2020
D
64.5%50,491
35.5%27,733
78,224
Illinois 41st State Senate District sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 10.6 points in 2020 and a Republican high of 81.1 points in 1920. Between 2020 and 2024 the district moved 3.0 points toward the Republican candidate; the 2024 margin was 7.6 points.
A population of 217,150, a 75% non-Hispanic-white share, and a median household income of $118,946 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 24 and State Senate District 26.
Akashic
Political twins — state-senate districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Illinois 41st State Senate District. Akashic. https://akashic.app/sld-upper/17041/. Accessed May 20, 2026. License: CC BY 4.0.
How did Illinois 41st State Senate District vote in 2024?
In 2024, Illinois 41st State Senate District voted Democratic by 7.6 points (D+7.6), carried by the Democratic candidate. Out of 119,410 votes cast, 62,539 went Democratic and 53,480 went Republican.
When did Illinois 41st State Senate District last vote Republican?
The most recent presidential election in which Illinois 41st State Senate District voted Republican was 2012.
How many people live in Illinois 41st State Senate District?
Illinois 41st State Senate District has a population of 217,150 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Illinois 41st State Senate District?
Median household income in Illinois 41st State Senate District is $118,946 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Illinois 41st State Senate District?
Akashic tracks 38 presidential elections in Illinois 41st State Senate District from 1876 to 2024. Of those, 4 went Democratic and 33 went Republican.