akashic
1876–2024
State Senate District 30·Illinois

Illinois 30th State Senate District has voted Democratic in eight straight presidential cycles.

One of Illinois's most Democratic state senate districts by presidential margin

1876 — 2024·38 elections
IL
Latest
D+22
in 2024
Archetype
Democratic loyalist
since the recent cycles
Population
117,986
2024 ACS

Illinois 30th State Senate District, Illinois: Democratic loyalist district. In 2024, voted D+22%. Republican peak: R+62 in 1920.

Key facts

2024 presidential margin
D+22MIT Election Lab
Political archetype
Democratic loyalistAkashic typology
Population
117,9862024 5-year
Median household income
$108,0982024 5-year
White (non-Hispanic)
59.7%2024 5-year
Black
8.0%2024 5-year
Hispanic / Latino
25.1%2024 5-year
Peak Democratic margin
D+26 in 2020MIT Election Lab
Peak Republican margin
R+62 in 1920MIT Election Lab
2024 results by constituent county
2 counties · 2 D · 0 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+22.3%
30,71419,32251,015
D
+26.1%
34,18619,75355,236
D
+23.0%
28,99017,46050,097
D
+11.8%
26,13120,56247,353
D
+22.5%
29,95218,85349,346
D
+2.1%
23,10622,16845,579
D
+1.4%
19,88119,31340,218
D
+4.0%
16,34914,96834,298
R
−3.6%
14,78316,13338,024
R
−22.6%
11,92718,95031,092
R
−31.6%
10,32619,94430,427
R
−23.1%
9,49516,22529,129
R
−17.6%
11,03215,86027,415
R
−27.6%
9,24316,31725,638
R
−14.9%
8,87012,30022,985
D
+8.0%
12,49210,63923,138
R
−11.4%
9,78912,31522,140
R
−30.0%
6,79012,61719,439
R
−19.3%
7,18310,62417,841
R
−16.0%
5,7367,94813,819
R
−6.3%
6,3437,19913,581
R
−11.3%
6,0597,61313,727
D
+5.2%
6,1595,53412,043
D
+0.2%
4,9944,97510,377
R
−26.5%
3,2545,6408,996
R
−57.6%
7474,1035,829
R
−62.1%
7383,6174,634
R
−27.0%
1,5662,8024,573
O
+6.3%
6244762,368
R
−34.8%
6421,4172,230
R
−48.7%
4441,4522,070
R
−24.5%
7021,1751,932
R
−35.0%
5671,1941,792
R
−6.3%
5806611,287
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
15.2%
Irish
9.9%
Polish
7.4%
English
6.2%
Italian
5.9%
American
3.2%
French
1.4%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 39.0 in this county, 39.1 nationally
Male
Age
Female
0.7%
85+
1.1%
2.0%
75–84
2.5%
4.6%
65–74
4.9%
6.5%
55–64
6.7%
6.6%
45–54
6.6%
6.5%
35–44
6.5%
6.1%
25–34
5.7%
5.5%
18–24
4.6%
9.1%
5–17
8.7%
2.7%
<5
2.6%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$108,098
State Senate District 30 ranks near the middle of US counties.
State Senate District 30$108,098
Illinois$83,390
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
8.7%
Child poverty is below the national average.
Children under 1812.1%
Working age (18–64)7.6%
Seniors (65+)9.2%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
68.2%
speak English only
Spanish19.2%
Other Indo-European7.1%
Asian & Pacific Islander4.8%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
31.2%
Other Christian
7.1%
Non-Christian
5.6%
Mainline Protestant
3.9%
Baptist
2.0%
Methodist
0.8%
Pentecostal & Holiness
0.8%
Source · 2020 US Religion Census. Remaining 48.5% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of D+55, this Chicago-area district ranks among the state's most lopsided, reflecting the dense urban concentration and demographic composition that produces overwhelming one-party consistency at every level.

The Democratic margin in Illinois 30th State Senate District reached its widest at twenty-six points in 2020. The margin in 2024 was twenty-two points — still decisive.

Its loyalty is rooted in its place. Median household income of $108,098, a 60% non-Hispanic-white share, and a population of 117,986 together describe a district whose political habits are deeply settled.

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.
State Senate District 30, Illinois. Akashic. https://akashic.app/sld-upper/17030/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State Senate District 30, Illinois vote in 2024?
In 2024, State Senate District 30, Illinois voted Democratic by 22.3 points (D+22), carried by the Democratic candidate. Out of 51,015 votes cast, 30,714 went Democratic and 19,322 went Republican.
What is State Senate District 30, Illinois's political archetype?
Akashic classifies State Senate District 30, Illinois as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 11 times, Republican 22 times, and other 1 times.
When did State Senate District 30, Illinois last vote Republican?
The most recent presidential election in which State Senate District 30, Illinois voted Republican was 1992.
How many people live in State Senate District 30, Illinois?
State Senate District 30, Illinois has a population of 117,986 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 30, Illinois?
Median household income in State Senate District 30, Illinois is $108,098 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of State Senate District 30, Illinois?
Akashic tracks 38 presidential elections in State Senate District 30, Illinois from 1876 to 2024. Of those, 11 went Democratic and 22 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.