Akashic
1892–2024
Akashic
Illinois 36th State Senate District
presidential margin
2008D+21.92012D+21.42016D+6.02020D+7.72024D+4.8
full record · 2008 → 2024
D+4.8
2024
median income$63,133U.S. $80,734 · IL $83,390
median age39.6U.S. 39.1 · IL 39.1
poverty rate16.1%U.S. 12.5% · IL 11.8%
bachelor’s+ (25+)24.4%U.S. 35.6% · IL 37.9%
non-english10.5%U.S. 22.3% · IL 24.1%
race · ethnicity · ancestry
German18.6%
Irish11.4%
English10.0%
Mexican9.9%
Puerto Rican0.5%
Spaniard0.2%
African American†9.2%
African1.1%
Burmese0.8%
Asian Indian0.7%
Filipino0.2%
religion

Religious adherence is published only at the county level (U.S. Religion Census). See Warren County.

American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.

Illinois 36th State Senate District

Akashic
Illinois 36th State Senate DistrictHarrisD+4.8
2024
2024 presidential margin for Illinois 36th State Senate DistrictThe boundary of Illinois 36th State Senate District, filled by its 2024 presidential margin (D+4.8), over faint outlines of the counties it is drawn from.Illinois 36th State Senate District · D+4.8
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic51.2%47,650
Donald TrumpRepublican46.5%43,222
Robert F. Kennedy Jr.Independent2.3%2,165
D+60
R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 6 counties it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (6 counties) — table
2024 presidential result by county for Illinois 36th State Senate District — winner and D-vs-R margin.
CountyWinnerMargin
Henry County, ILRepublicanR+24.4
Knox County, ILRepublicanR+9.4
McDonough County, ILRepublicanR+18.8
Mercer County, ILRepublicanR+27.1
Rock Island County, ILDemocraticD+9.6
Warren County, ILRepublicanR+25.1
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
51.2%Harris47,650
46.5%Trump43,222
2.3%Kennedy2,165
+4.8%
93,037
D
52.8%Biden51,514
45.1%Trump44,003
2.2%Jorgensen2,108
+7.7%
97,625
D
49.2%Clinton47,072
43.2%Trump41,332
7.6%Johnson7,249
+6.0%
95,653
D
60.7%Obama57,362
39.3%Romney37,176
0.0%
+21.4%
94,538
D
60.1%Obama62,677
38.2%McCain39,844
1.7%Nader1,747
+21.9%
104,268
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: +4.8% in 2024.+4.8%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+21.9%
2012+21.4%
2016+6.0%
2020+7.7%
2024+4.8%
DemocraticRepublican
current representation
Current officeholders
DMike HalpinState Senate · 36

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

With a 2024 presidential margin of D+8.2, Illinois Senate District 36 sits in the moderate-lean Democratic range, suggesting a constituency where statewide candidates can build margins without relying on deep urban cores.

Across the recorded series it reached a Democratic high of 21.9 points in 2008. Between 2020 and 2024 the district moved 2.9 points toward the Republican candidate; the 2024 margin was 4.8 points.

A population of 217,315, a 74% non-Hispanic-white share, and a median household income of $63,133 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 32 and State Senate District 27.

Political twins — state-senate districts

The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

State Senate District 32
Michigan
78.3twin score
12-yr trend2008 margin% unaffiliated≠ Polish ancestry
State Senate District 27
Michigan
75.7twin score
12-yr trendcollege share2012 margin≠ % Black
State Senate District 11
Ohio
75.3twin score
12-yr trend2008–2012 trajectorymedian income≠ Polish ancestry

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 →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Illinois 36th State Senate District. Akashic. https://akashic.app/sld-upper/17036/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Illinois 36th State Senate District

counties it covers6
Henry CountyKnox CountyMcDonough CountyMercer CountyRock Island CountyWarren County

Frequently asked questions

How did Illinois 36th State Senate District vote in 2024?
In 2024, Illinois 36th State Senate District voted Democratic by 4.8 points (D+4.8), carried by the Democratic candidate. Out of 93,037 votes cast, 47,650 went Democratic and 43,222 went Republican.
How many people live in Illinois 36th State Senate District?
Illinois 36th State Senate District has a population of 217,315 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Illinois 36th State Senate District?
Median household income in Illinois 36th State Senate District is $63,133 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Illinois 36th State Senate District?
Akashic tracks 5 presidential elections in Illinois 36th State Senate District from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.