IL-15 elected a Republican in 2022.

R+42.3 on 299,403 certified votes. Below: the 2022 result and this district's margin across every cycle on record.

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IL-15 — 2022 result

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

Democratic (D)

86,396

28.9%

Republican (R)

213,007

71.1%

All others

0

0.0%

Margin

R+42.3

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Margin history

IL-15 across every cycle on record. Each year links to its district page.

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Year	Won	Margin	Votes
2024	R	−99.5%	310,234
2022	R	−42.3%	299,403
2020	R	−46.9%	333,506
2018	R	−41.9%	255,608
2016	R	−100.0%	274,554
2014	R	−49.8%	221,926
2012	R	−37.2%	299,937
2010	R	−28.6%	212,863
2008	R	−28.4%	291,514
2006	R	−15.2%	202,835
2004	R	−22.1%	291,739
2002	R	−34.1%	206,617
2000	R	−6.5%	236,622
1998	R	−23.2%	169,309
1996	R	−14.7%	211,084
1994	R	−36.3%	159,731
1992	R	−18.8%	239,586
1990	R	−100.0%	119,822
1988	R	−43.4%	195,431
1986	R	−100.0%	115,284
1984	R	−46.5%	203,613
1982	R	−32.7%	158,344
1980	R	−53.5%	196,619
1978	R	−24.8%	129,612
1976	R	−7.8%	190,231