Elections / 1986 · House · IL-09
IL-09 — 1986 U.S. House election
Akashiccongressional district1986 US House electionIL-09 · U.S. HouseYatesD+43.3
How it voted
Share of the 1986 vote
| Sidney R Yates (i) ✓Democrat | 71.6% | 92,738 |
|---|---|---|
| Herbert SohnRepublican | 28.4% | 36,715 |
D+60R+60
District boundary, filled by its own 1986 D-vs-R margin — precinct detail where available, over faint county context.
Margin history
IL-09 across every cycle on record. Each year links to its district page.
| Year | Won | Margin | Votes |
|---|---|---|---|
| 2024 | D | 338,828 | |
| 2022 | D | 250,530 | |
| 2020 | D | 369,170 | |
| 2018 | D | 290,351 | |
| 2016 | D | 326,948 | |
| 2014 | D | 213,450 | |
| 2012 | D | 293,807 | |
| 2010 | D | 177,207 | |
| 2008 | D | 243,694 | |
| 2006 | D | 164,713 | |
| 2004 | D | 231,417 | |
| 2002 | D | 168,836 | |
| 2000 | D | 192,346 | |
| 1998 | D | 144,610 | |
| 1996 | D | 196,082 | |
| 1994 | D | 142,823 | |
| 1992 | D | 239,703 | |
| 1990 | D | 135,588 | |
| 1988 | D | 205,187 | |
| 1986 | D | 129,453 | |
| 1984 | D | 214,495 | |
| 1982 | D | 171,529 | |
| 1980 | D | 145,788 | |
| 1978 | D | 116,217 | |
| 1976 | D | 168,983 |
Same ballot, 1986IL
Source. MIT Election Data + Science Lab — 1986 US House returns, party-classified by literal ballot party · district lines from the 2010-census apportionment. Real returns — nothing estimated.