Illinois 4th Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | +43.1% |
| 2012 | +43.5% |
| 2016 | +50.7% |
| 2020 | +46.4% |
| 2024 | +28.3% |
Federal officeholders only. State and local officeholders are planned for the next data pass.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
| Year | District | Won | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | 4 | D | 67.5%139,343 | 27.3%56,323 | 206,396 |
| 2022 | 4 | D | 68.4%91,036 | 28.1%37,352 | 133,047 |
| 2020 | 4 | D | 84.1%187,219 | 15.9%35,518 | 222,737 |
| 2018 | 4 | D | 86.6%143,895 | 13.4%22,294 | 166,189 |
| 2016 | 4 | D | 100.0%171,297 | 0.0%0 | 171,297 |
| 2014 | 4 | D | 78.1%79,666 | 21.9%22,278 | 101,944 |
| 2012 | 4 | D | 83.0%133,226 | 17.0%27,279 | 160,509 |
| 2010 | 4 | D | 77.4%63,273 | 14.3%11,711 | 81,792 |
| 2008 | 4 | D | 80.6%112,529 | 11.5%16,024 | 139,606 |
| 2006 | 4 | D | 85.8%69,910 | 14.2%11,532 | 81,442 |
| 2004 | 4 | D | 83.7%104,761 | 12.4%15,536 | 125,142 |
| 2002 | 4 | D | 79.7%67,339 | 15.1%12,778 | 84,513 |
| 2000 | 4 | D | 88.6%89,487 | 0.0%0 | 100,963 |
| 1998 | 4 | D | 81.7%54,244 | 15.9%10,529 | 66,356 |
| 1996 | 4 | D | 93.6%85,278 | 0.0%0 | 91,135 |
| 1994 | 4 | D | 75.2%46,695 | 24.8%15,384 | 62,079 |
| 1992 | 4 | D | 77.6%90,452 | 22.4%26,154 | 116,606 |
| 1990 | 4 | D | 59.2%77,290 | 40.8%53,258 | 130,548 |
| 1988 | 4 | D | 50.3%91,282 | 49.7%90,243 | 181,525 |
| 1986 | 4 | R | 48.4%57,773 | 51.6%61,583 | 119,356 |
| 1984 | 4 | R | 36.0%68,547 | 64.0%121,744 | 190,291 |
| 1982 | 4 | R | 45.4%66,323 | 54.6%79,842 | 146,172 |
| 1980 | 4 | R | 32.0%71,814 | 68.0%152,377 | 224,192 |
| 1978 | 4 | R | 33.1%46,788 | 66.9%94,435 | 141,229 |
| 1976 | 4 | R | 34.2%64,924 | 65.8%124,847 | 189,772 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | D | 56.8%2,329,136 | 41.5%1,701,055 | 4,098,896 |
| 2020 | D | 54.9%3,278,930 | 38.9%2,319,870 | 5,968,901 |
| 2016 | D | 54.9%3,012,940 | 39.8%2,184,692 | 5,491,239 |
| 2014 | D | 53.5%1,929,637 | 42.7%1,538,522 | 3,603,475 |
| 2010 | R | 46.4%1,719,478 | 48.0%1,778,698 | 3,703,370 |
| 2008 | D | 67.8%3,615,844 | 28.5%1,520,621 | 5,329,883 |
| 2004 | D | 70.0%3,597,456 | 27.1%1,390,690 | 5,138,563 |
| 2002 | D | 60.3%2,103,766 | 38.0%1,325,703 | 3,486,851 |
| 1998 | R | 47.4%1,610,496 | 50.3%1,709,041 | 3,394,521 |
| 1996 | D | 56.1%2,384,028 | 40.7%1,728,824 | 4,246,494 |
| 1992 | D | 53.3%2,631,229 | 43.1%2,126,833 | 4,939,530 |
| 1990 | D | 65.1%2,115,377 | 34.9%1,135,628 | 3,251,005 |
| 1986 | D | 65.1%2,033,783 | 33.7%1,053,734 | 3,122,883 |
| 1984 | D | 50.1%2,397,165 | 48.2%2,308,039 | 4,787,335 |
| 1980 | D | 56.0%2,565,302 | 42.5%1,946,296 | 4,579,933 |
| 1978 | R | 45.5%1,448,187 | 53.3%1,698,711 | 3,184,605 |
Illinois's 4th is a majority-Hispanic district stretching through Chicago's West and Northwest Side communities, consistently returning Democratic presidential margins above 40 points and serving as a benchmark for Latino electoral representation in the Midwest.
Across the recorded series it reached a Democratic high of 50.7 points in 2016. Between 2020 and 2024 the district moved 18.1 points toward the Republican candidate; the 2024 margin was 28.3 points.
A population of 753,590, a 33% non-Hispanic-white share, and a median household income of $75,931 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 3 and Congressional District 18.
The congressional 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 →
Illinois 4th Congressional District. Akashic. https://akashic.app/cd/1704/. Accessed May 20, 2026. License: CC BY 4.0.