akashic
1876–2024
Congressional District 8·Illinois

Illinois 8th Congressional District has voted Democratic in ten straight presidential cycles.

1876 — 2024·38 elections
IL
Latest
D+31
in 2024
Archetype
Democratic loyalist
since the recent cycles
Population
836,972
2024 ACS

Illinois 8th Congressional District, Illinois: Democratic loyalist district. In 2024, voted D+31%. Republican peak: R+51 in 1920.

Key facts

2024 presidential margin
D+31MIT Election Lab
Political archetype
Democratic loyalistAkashic typology
Population
836,9722024 5-year
Median household income
$91,5732024 5-year
White (non-Hispanic)
49.6%2024 5-year
Black
16.5%2024 5-year
Hispanic / Latino
26.0%2024 5-year
Peak Democratic margin
D+40 in 2016MIT Election Lab
Peak Republican margin
R+51 in 1920MIT Election Lab
2024 results by constituent county
4 counties · 3 D · 1 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
+30.6%
226,156118,324352,940
D
+38.3%
263,419115,288386,428
D
+39.6%
236,10296,114353,594
D
+33.2%
214,820106,557326,503
D
+39.4%
238,757102,812345,346
D
+24.5%
202,272122,202326,703
D
+23.3%
177,293108,748294,299
D
+25.4%
156,86289,370266,180
D
+17.6%
164,028107,321322,100
D
+0.1%
145,869145,674293,925
R
−9.2%
139,295167,838308,903
D
+0.7%
139,463137,223304,249
R
−0.5%
147,321148,961302,419
R
−14.9%
130,615176,519308,720
D
+1.6%
141,780136,950303,640
D
+20.2%
186,553123,924310,476
D
+6.3%
163,580144,260308,680
R
−19.0%
114,413168,187283,273
R
−5.6%
136,136152,390289,286
D
+4.6%
139,073126,806267,611
D
+11.5%
146,466116,220263,426
D
+6.7%
135,538118,376254,934
D
+23.7%
145,78488,687241,186
D
+10.6%
108,37486,944201,747
R
−10.1%
83,050101,814186,238
R
−44.4%
25,58885,392134,789
R
−51.0%
22,73877,349107,021
R
−10.1%
44,21854,657103,137
O
+12.8%
15,5788,87352,467
R
−21.7%
17,92128,87450,590
R
−34.8%
12,13128,69247,629
R
−8.1%
21,74125,69048,808
R
−21.1%
17,90927,70246,354
D
+9.1%
17,42414,44932,785
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
11.7%
Irish
9.6%
Polish
7.5%
Italian
6.1%
English
4.5%
American
2.3%
French
1.1%
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: 38.5 in this county, 39.1 nationally
Male
Age
Female
0.7%
85+
1.3%
2.0%
75–84
2.7%
4.4%
65–74
5.1%
6.1%
55–64
6.4%
6.3%
45–54
6.3%
7.0%
35–44
6.9%
7.3%
25–34
7.3%
4.3%
18–24
4.3%
8.3%
5–17
7.9%
2.8%
<5
2.7%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$91,573
Congressional District 8 ranks near the middle of US counties.
Congressional District 8$91,573
Illinois$83,390
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
11.4%
Child poverty is below the national average.
Children under 1814.9%
Working age (18–64)10.3%
Seniors (65+)12.3%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
65.9%
speak English only
Spanish20.2%
Other Indo-European8.1%
Asian & Pacific Islander4.1%
Other languages1.7%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
31.6%
Non-Christian
7.9%
Other Christian
6.7%
Mainline Protestant
4.0%
Baptist
3.4%
Pentecostal & Holiness
1.4%
Methodist
1.2%
Source · 2020 US Religion Census. Remaining 43.8% of residents not counted as adherents by any reporting body.

Illinois 8th Congressional District sits in the Upper Midwest. Its political identity has been Democratic for as long as anyone now living can remember. 1 consecutive presidential elections in modern records have gone for the Democratic candidate, often by margins that would be considered landslide territory anywhere else.

The Democratic margin in Illinois 8th Congressional District reached its widest at forty points in 2016. The margin in 2024 was thirty-one points — still decisive.

Its loyalty is rooted in its place. Median household income of $91,573, a 50% non-Hispanic-white share, and a population of 836,972 together describe a district whose political habits are deeply settled.

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Congressional District 8, Illinois — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cd/1708/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Congressional District 8, Illinois vote in 2024?
In 2024, Congressional District 8, Illinois voted Democratic by 30.6 points (D+31), carried by the Democratic candidate. Out of 352,940 votes cast, 226,156 went Democratic and 118,324 went Republican.
What is Congressional District 8, Illinois's political archetype?
Akashic classifies Congressional District 8, 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 20 times, Republican 13 times, and other 1 times.
When did Congressional District 8, Illinois last vote Republican?
The most recent presidential election in which Congressional District 8, Illinois voted Republican was 1984.
How many people live in Congressional District 8, Illinois?
Congressional District 8, Illinois has a population of 836,972 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 8, Illinois?
Median household income in Congressional District 8, Illinois is $91,573 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Congressional District 8, Illinois?
Akashic tracks 38 presidential elections in Congressional District 8, Illinois from 1876 to 2024. Of those, 20 went Democratic and 13 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.