IL-17 elected a Democrat in 2018.

D+24.2 on 229,749 certified votes. Below: the 2018 result and this district's margin across every cycle on record.

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IL-17 — 2018 result

Source: MIT Election Data + Science Lab, US House returns (party-classified by literal ballot party).

Democratic (D)

142,659

62.1%

Republican (R)

87,090

37.9%

All others

0

0.0%

Margin

D+24.2

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Margin history

IL-17 across every cycle on record. Each year links to its district page.

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Year	Won	Margin	Votes
2024	D	+8.9%	312,828
2022	D	+4.0%	233,123
2020	D	+4.1%	299,895
2018	D	+24.2%	229,749
2016	D	+20.6%	287,068
2014	D	+10.9%	199,361
2012	D	+6.6%	288,161
2010	R	−9.6%	198,898
2008	D	+99.8%	221,478
2006	D	+14.3%	201,186
2004	D	+21.4%	284,000
2002	D	+24.8%	203,612
2000	D	+9.8%	241,347
1998	D	+3.1%	194,200
1996	D	+4.7%	231,173
1994	D	+9.1%	174,783
1992	D	+20.2%	259,952
1990	D	+33.0%	153,442
1988	D	+29.7%	203,690
1986	D	+11.3%	153,543
1984	D	+13.3%	226,345
1982	D	+5.7%	178,887
1980	R	−31.7%	191,111
1978	R	−41.2%	133,635
1976	R	−16.4%	194,365