Illinois 17th Congressional District, Illinois: Bellwether district. In 2024, voted R+6%. Republican peak: R+52 in 1920.
Key facts
- 2024 presidential margin
- R+6MIT Election Lab
- Political archetype
- BellwetherAkashic typology
- Population
- 553,6572024 5-year
- Median household income
- $67,1282024 5-year
- White (non-Hispanic)
- 77.4%2024 5-year
- Black
- 8.8%2024 5-year
- Hispanic / Latino
- 9.6%2024 5-year
- Peak Democratic margin
- D+15 in 1964MIT Election Lab
- Peak Republican margin
- R+52 in 1920MIT Election Lab
Predecessors: BUSTOS, Cheri (2021–2023), BUSTOS, Cheri (2019–2021), BUSTOS, Cheri (2017–2019), BUSTOS, Cheri (2015–2017)
Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 118,235 | 133,692 | 256,981 | ||
| R | 126,493 | 135,197 | 268,419 | ||
| R | 111,519 | 123,023 | 253,661 | ||
| D | 134,187 | 113,424 | 252,836 | ||
| D | 148,427 | 111,098 | 263,563 | ||
| D | 133,662 | 129,458 | 265,007 | ||
| D | 124,968 | 112,392 | 244,319 | ||
| D | 117,027 | 90,435 | 229,394 | ||
| D | 122,745 | 94,233 | 261,869 | ||
| D | 120,925 | 117,819 | 240,000 | ||
| R | 118,172 | 146,393 | 265,856 | ||
| R | 88,717 | 142,867 | 258,281 | ||
| R | 113,516 | 135,213 | 252,526 | ||
| R | 93,381 | 153,997 | 248,233 | ||
| R | 100,966 | 123,905 | 242,995 | ||
| D | 139,431 | 102,976 | 242,409 | ||
| R | 109,759 | 141,256 | 251,392 | ||
| R | 88,286 | 143,898 | 232,532 | ||
| R | 90,233 | 143,311 | 233,901 | ||
| R | 82,672 | 103,194 | 187,364 | ||
| R | 90,955 | 110,297 | 202,192 | ||
| R | 110,330 | 118,831 | 230,277 | ||
| D | 114,653 | 92,166 | 211,160 | ||
| D | 94,874 | 86,602 | 185,027 | ||
| R | 52,094 | 111,465 | 165,043 | ||
| R | 20,797 | 87,663 | 143,669 | ||
| R | 24,484 | 88,589 | 122,908 | ||
| R | 49,408 | 74,661 | 132,016 | ||
| O | 22,465 | 13,163 | 72,549 | ||
| R | 25,133 | 42,408 | 73,322 | ||
| R | 16,401 | 44,519 | 68,631 | ||
| R | 27,172 | 44,551 | 74,073 | ||
| R | 27,340 | 42,974 | 71,629 | ||
| R | 25,078 | 31,497 | 60,213 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
U.S. Senate
| Year | Won | D % | R % | Total |
|---|---|---|---|---|
| 2022 | O | 0.0% | 41.5% | 4,098,896 |
| 2020 | D | 54.9% | 38.9% | 5,968,901 |
| 2016 | D | 54.9% | 39.8% | 5,491,878 |
| 2014 | D | 53.5% | 42.7% | 3,603,519 |
| 2010 | R | 46.4% | 48.0% | 3,704,473 |
| 2008 | D | 67.8% | 28.5% | 5,329,884 |
| 2004 | D | 70.0% | 27.0% | 5,141,520 |
| 2002 | D | 60.3% | 38.0% | 3,486,851 |
| 1998 | R | 47.4% | 50.3% | 3,394,521 |
| 1996 | D | 56.1% | 40.7% | 4,250,722 |
| 1992 | D | 53.3% | 43.1% | 4,939,558 |
| 1990 | D | 65.1% | 34.9% | 3,251,005 |
| 1986 | D | 65.1% | 33.7% | 3,122,883 |
| 1984 | D | 50.1% | 48.2% | 4,787,335 |
| 1980 | D | 56.0% | 42.5% | 4,580,029 |
| 1978 | R | 45.5% | 53.3% | 3,184,764 |
Demographics
Anchored by Rockford, the Quad Cities, and a corridor of rural counties, Illinois-17 has moved steadily toward Republican presidential candidates over the past decade, flipping from reliably Democratic to a 5.5-point Republican margin in 2024.
The Democratic margin in Illinois 17th Congressional District has rarely exceeded fifteen points in modern history; the Republican margin has rarely exceeded fifty-two points. 2024 delivered the district to the Republican candidate by six points.
Its demographics resemble the country more than they resemble most districts. A 77% non-Hispanic-white share, a 14% poverty rate, and a median household income of $67,128 — all within the broad national range.
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 →
Congressional District 17, Illinois. Akashic. https://akashic.app/cd/1717/. Accessed May 20, 2026. License: CC BY 4.0.