Illinois congressional districts

17 districts with published ZIP coverage. Select a district to open population, income, and housing context for its ZIP codes.

How to use this list

Districts are sorted by code. Open any seat for a ZIP table plus income and housing averages grounded in published US5 metrics.

Related pages

Also see the Illinois overview, cities, counties, and rankings.

District	ZIP codes	Population
IL-1	24	688,590
IL-10	36	792,560
IL-11	36	778,046
IL-12	268	825,688
IL-13	83	642,394
IL-14	64	801,486
IL-15	309	804,924
IL-16	189	849,903
IL-17	117	614,539
IL-2	103	731,778
IL-3	16	676,535
IL-4	20	768,500
IL-5	20	884,910
IL-6	33	831,214
IL-7	31	727,734
IL-8	25	664,436
IL-9	22	609,364