Illinois 3rd Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | +40.8% |
| 2012 | +38.2% |
| 2016 | +44.5% |
| 2020 | +41.4% |
| 2024 | +31.2% |
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 | 3 | D | 67.3%174,825 | 32.7%84,987 | 259,908 |
| 2022 | 3 | D | 68.5%121,764 | 31.5%55,995 | 177,759 |
| 2020 | 3 | D | 56.4%172,997 | 43.6%133,851 | 306,848 |
| 2018 | 3 | D | 73.0%163,053 | 25.9%57,885 | 223,334 |
| 2016 | 3 | D | 100.0%225,320 | 0.0%0 | 225,411 |
| 2014 | 3 | D | 64.6%116,764 | 35.4%64,091 | 180,855 |
| 2012 | 3 | D | 68.5%168,738 | 31.5%77,653 | 246,398 |
| 2010 | 3 | D | 69.7%116,120 | 24.3%40,479 | 166,627 |
| 2008 | 3 | D | 73.3%172,581 | 21.4%50,336 | 235,524 |
| 2006 | 3 | D | 77.1%127,768 | 22.9%37,954 | 165,722 |
| 2004 | 3 | D | 72.6%167,034 | 25.2%57,845 | 229,956 |
| 2002 | 3 | D | 100.0%156,042 | 0.0%0 | 156,042 |
| 2000 | 3 | D | 75.6%145,498 | 24.4%47,005 | 192,503 |
| 1998 | 3 | D | 72.5%115,887 | 27.5%44,012 | 159,899 |
| 1996 | 3 | D | 65.3%137,153 | 32.0%67,214 | 209,916 |
| 1994 | 3 | D | 54.2%92,353 | 45.8%78,163 | 170,516 |
| 1992 | 3 | D | 63.5%162,165 | 36.5%93,128 | 255,293 |
| 1990 | 3 | D | 70.9%110,512 | 29.1%45,299 | 155,811 |
| 1988 | 3 | D | 62.2%132,111 | 37.8%80,181 | 212,292 |
| 1986 | 3 | D | 66.2%102,949 | 33.8%52,618 | 155,567 |
| 1984 | 3 | D | 64.4%143,363 | 35.6%79,218 | 222,582 |
| 1982 | 3 | D | 74.0%137,391 | 26.0%48,268 | 185,659 |
| 1980 | 3 | D | 68.9%137,283 | 31.1%61,955 | 199,240 |
| 1978 | 3 | D | 65.2%95,701 | 34.8%51,098 | 146,800 |
| 1976 | 3 | D | 58.9%115,591 | 40.5%79,434 | 196,365 |
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 |
IL-3 spans Chicago's Southwest Side and inner southwest suburbs, blending working-class Latino and white ethnic neighborhoods. Its 2024 presidential margin of D+1.1 makes it one of the closest battlegrounds in the state's congressional map.
Across the recorded series it reached a Democratic high of 44.5 points in 2016. Between 2020 and 2024 the district moved 10.2 points toward the Republican candidate; the 2024 margin was 31.2 points.
A population of 752,818, a 46% non-Hispanic-white share, and a median household income of $88,650 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 4 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 3rd Congressional District. Akashic. https://akashic.app/cd/1703/. Accessed May 20, 2026. License: CC BY 4.0.