Illinois 16th Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | −6.1% |
| 2012 | −17.4% |
| 2016 | −23.8% |
| 2020 | −21.5% |
| 2024 | −22.5% |
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 | 16 | R | 0.0%0 | 99.9%310,925 | 311,108 |
| 2022 | 16 | R | 33.7%100,325 | 66.3%197,621 | 297,946 |
| 2020 | 16 | R | 35.3%119,313 | 64.7%218,839 | 338,159 |
| 2018 | 16 | R | 40.9%104,569 | 59.1%151,254 | 255,825 |
| 2016 | 16 | R | 0.0%0 | 99.9%259,722 | 259,853 |
| 2014 | 16 | R | 29.4%63,810 | 70.6%153,388 | 217,198 |
| 2012 | 16 | R | 38.2%112,301 | 61.8%181,789 | 294,090 |
| 2010 | 16 | R | 31.0%66,037 | 65.0%138,299 | 212,761 |
| 2008 | 16 | R | 36.1%112,648 | 60.9%190,039 | 312,220 |
| 2006 | 16 | R | 32.1%63,462 | 63.6%125,508 | 197,493 |
| 2004 | 16 | R | 30.9%91,452 | 69.1%204,350 | 295,806 |
| 2002 | 16 | R | 29.4%55,488 | 70.6%133,339 | 188,827 |
| 2000 | 16 | R | 33.3%88,781 | 66.7%178,174 | 267,005 |
| 1998 | 16 | R | 0.0%0 | 100.0%143,686 | 143,686 |
| 1996 | 16 | R | 39.7%90,575 | 60.3%137,523 | 228,100 |
| 1994 | 16 | R | 29.4%48,736 | 70.6%117,238 | 165,974 |
| 1992 | 16 | R | 44.4%113,555 | 55.6%142,388 | 255,943 |
| 1990 | 16 | D | 54.6%83,061 | 45.4%69,105 | 152,166 |
| 1988 | 16 | R | 36.1%72,431 | 63.9%128,365 | 200,796 |
| 1986 | 16 | R | 33.1%46,087 | 66.9%92,982 | 139,069 |
| 1984 | 16 | R | 41.6%90,850 | 58.4%127,684 | 218,538 |
| 1982 | 16 | R | 42.8%66,877 | 57.2%89,405 | 156,287 |
| 1980 | 16 | R | 32.6%64,224 | 67.4%132,905 | 197,147 |
| 1978 | 16 | R | 34.5%40,471 | 65.4%76,752 | 117,309 |
| 1976 | 16 | R | 32.1%54,002 | 67.9%114,324 | 168,328 |
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 16th stretches across the state's northern tier, blending mid-size city suburbs with deep agricultural townships that have shifted steadily toward Republican margins—landing at R+18.4 in 2024.
Across the recorded series it reached a Republican high of 23.8 points in 2016. Between 2020 and 2024 the district moved 1.0 points toward the Republican candidate; the 2024 margin was 22.5 points.
A population of 753,609, a 87% non-Hispanic-white share, and a median household income of $84,411 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 9 and Congressional District 13.
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 16th Congressional District. Akashic. https://akashic.app/cd/1716/. Accessed May 20, 2026. License: CC BY 4.0.