Akashic
1892–2024
Akashic
Illinois 39th State Senate District
presidential margin
2008D+53.82012D+53.12016D+54.92020D+52.82024D+44.6
full record · 2008 → 2024
D+44.6
2024
median income$81,852U.S. $80,734 · IL $83,390
median age39.6U.S. 39.1 · IL 39.1
poverty rate9.8%U.S. 12.5% · IL 11.8%
bachelor’s+ (25+)44.0%U.S. 35.6% · IL 37.9%
non-english34.9%U.S. 22.3% · IL 24.1%
race · ethnicity · ancestry
German10.5%
Irish9.5%
Polish7.8%
Mexican27.9%
Puerto Rican3.7%
Guatemalan0.7%
African American†15.4%
African0.4%
Nigerian0.3%
Asian Indian1.3%
Chinese0.7%
Filipino0.6%
religion

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

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

Illinois 39th State Senate District

Akashic
Illinois 39th State Senate DistrictHarrisD+44.6
2024
2024 presidential margin for Illinois 39th State Senate DistrictThe boundary of Illinois 39th State Senate District, filled by its 2024 presidential margin (D+44.6), over faint outlines of the counties it is drawn from.Illinois 39th State Senate District · D+44.6
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic71.7%60,726
Donald TrumpRepublican27.1%22,967
Robert F. Kennedy Jr.Independent1.2%1,024
D+60
R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 2 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 (2 counties) — table
2024 presidential result by county for Illinois 39th State Senate District — winner and D-vs-R margin.
CountyWinnerMargin
Cook County, ILDemocraticD+41.6
DuPage County, ILDemocraticD+13.1
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
71.7%Harris60,726
27.1%Trump22,967
1.2%Kennedy1,024
+44.6%
84,717
D
75.6%Biden71,085
22.8%Trump21,472
1.6%Jorgensen1,494
+52.8%
94,051
D
74.9%Clinton66,231
20.0%Trump17,668
5.2%Johnson4,582
+54.9%
88,481
D
76.5%Obama62,030
23.5%Romney19,006
0.0%
+53.1%
81,036
D
76.3%Obama66,115
22.5%McCain19,473
1.3%Nader1,085
+53.8%
86,673
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: +44.6% in 2024.+44.6%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+53.8%
2012+53.1%
2016+54.9%
2020+52.8%
2024+44.6%
DemocraticRepublican
current representation
Current officeholders
DDon HarmonState Senate · 39

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

Anchored in heavily Republican downstate territory, Illinois Senate District 39 delivered a 44.7-point Republican presidential margin in 2024, making it among the most lopsided state senate districts in a state more often defined by its Democratic supermajority.

Across the recorded series it reached a Democratic high of 54.9 points in 2016. Between 2020 and 2024 the district moved 8.2 points toward the Republican candidate; the 2024 margin was 44.6 points.

A population of 217,119, a 45% non-Hispanic-white share, and a median household income of $81,852 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 2 and State Senate District 20.

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 2
Illinois
98.0twin score
2008–2020 trajectory≠ % Latino
State Senate District 20
Illinois
97.7twin score
2008–2020 trajectory≠ Mexican ancestry
State Senate District 28
California
91.9twin score
2008–2020 trajectory≠ population scale

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 39th State Senate District. Akashic. https://akashic.app/sld-upper/17039/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions

How did Illinois 39th State Senate District vote in 2024?
In 2024, Illinois 39th State Senate District voted Democratic by 44.6 points (D+44.6), carried by the Democratic candidate. Out of 84,717 votes cast, 60,726 went Democratic and 22,967 went Republican.
How many people live in Illinois 39th State Senate District?
Illinois 39th State Senate District has a population of 217,119 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Illinois 39th State Senate District?
Median household income in Illinois 39th State Senate District is $81,852 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Illinois 39th State Senate District?
Akashic tracks 5 presidential elections in Illinois 39th State Senate District from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.