Illinois congressional districts listed below include current maps drafted in 2001 and as well as new districts that will become effective in with the 2012 elections.
Detailed election maps are currently under development for newly drafted districts below. Links will be highlighted in bold here as they become available.
Illinois Congressional District Maps
| Current 2001 Maps | New 2011 Maps |
| 2001 Maps provided by the US Census | 2011 Maps by PrecinctMaps.com
(bold links indicate detailed election maps are available) |
