Illinois sent 10 Democrats and 10 Republicans to the US House in 1998.

20 districts. Each row shows the winning party, margin, and member elected. Vote counts are the certified district totals.

akashic

Illinois — 1998 House districts

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

akashic

District	Won	Margin	Member elected	Votes
IL-01	D	+76.5%	Bobby L Rush	174,365
IL-02	D	+79.7%	Jesse L Jackson JR	166,668
IL-03	D	+45.0%	William O Lipinksi	159,899
IL-04	D	+65.9%	Luis V Gutierrez	66,356
IL-05	D	+47.9%	Rod R Blagojevich	129,425
IL-06	R	−37.2%	Henry J Hyde	165,708
IL-07	D	+92.9%	Danny K Davis	140,968
IL-08	R	−37.3%	Philip M Crane	151,856
IL-09	D	+51.5%	Janice D \"Jan\" Schakowsky	144,610
IL-10	R	−100.0%	John Edward Porter	138,429
IL-11	R	−17.6%	Jerry Weller	171,055
IL-12	D	+20.7%	Jerry F Costello	165,014
IL-13	R	−22.0%	Judy Biggert	199,767
IL-14	R	−39.5%	J Dennis Hastert	168,148
IL-15	R	−23.2%	Thomas W Ewing	169,309
IL-16	R	−100.0%	Donald A Manzullo	143,686
IL-17	D	+3.1%	Lane Evans	194,200
IL-18	R	−100.0%	Ray Lahood	158,177
IL-19	D	+16.6%	David D Phelps	210,044
IL-20	R	−22.6%	John Shimkus	197,578