Illinois sent 12 Democrats and 6 Republicans to the US House in 2012.

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

akashic

Illinois — 2012 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	+47.6%	Bobby L Rush	320,844
IL-02	D	+40.0%	Jesse L Jackson JR	297,712
IL-03	D	+37.0%	Daniel Lipinski	246,398
IL-04	D	+66.0%	Luis V Gutierrez	160,509
IL-05	D	+37.1%	Mike Quigley	270,377
IL-06	R	−18.4%	Peter J Roskam	326,129
IL-07	D	+73.7%	Danny K Davis	286,435
IL-08	D	+9.5%	Tammy Duckworth	225,066
IL-09	D	+32.7%	Janice D Schakowsky	293,807
IL-10	D	+1.3%	Brad Schneider	264,454
IL-11	D	+17.1%	Bill Foster	254,295
IL-12	D	+8.9%	William L Enyart	303,949
IL-13	R	−0.3%	Rodney Davis	294,385
IL-14	R	−17.6%	Randy Hultgren	301,954
IL-15	R	−37.2%	John Shimkus	299,937
IL-16	R	−23.6%	Adam Kinzinger	294,090
IL-17	D	+6.6%	Cheri Bustos	288,161
IL-18	R	−48.3%	Aaron Schock	329,631