Illinois

Districts Credit Unions Counties

U.S. Senate

District Name # of Members
U.S. Senate 3,037,064
3,037,064

U.S. House Of Representatives

District Name # of Members
Congressional District 1 136,371
Congressional District 2 189,950
Congressional District 3 94,305
Congressional District 4 59,178
Congressional District 5 100,396
Congressional District 6 99,972
Congressional District 7 107,453
Congressional District 8 124,731
Congressional District 9 100,430
Congressional District 10 214,149
Congressional District 11 129,687
Congressional District 12 242,123
Congressional District 13 342,831
Congressional District 14 150,261
Congressional District 15 271,774
Congressional District 16 298,293
Congressional District 17 322,609
2,984,513

State Senate

District Name # of Members
Senate District 1 15,367
Senate District 2 26,919
Senate District 3 27,391
Senate District 4 34,591
Senate District 5 27,761
Senate District 6 21,576
Senate District 7 26,385
Senate District 8 23,151
Senate District 9 22,288
Senate District 10 35,820
Senate District 11 21,803
Senate District 12 11,563
Senate District 13 31,283
Senate District 14 36,105
Senate District 15 42,733
Senate District 16 31,675
Senate District 17 45,304
Senate District 18 35,283
Senate District 19 34,657
Senate District 20 22,633
Senate District 21 31,158
Senate District 22 32,483
Senate District 23 29,687
Senate District 24 34,536
Senate District 25 33,518
Senate District 26 43,345
Senate District 27 35,052
Senate District 28 32,045
Senate District 29 25,237
Senate District 30 62,817
Senate District 31 83,458
Senate District 32 57,702
Senate District 33 38,744
Senate District 34 49,734
Senate District 35 43,051
Senate District 36 129,646
Senate District 37 82,099
Senate District 38 60,702
Senate District 39 32,679
Senate District 40 52,598
Senate District 41 25,543
Senate District 42 39,311
Senate District 43 28,811
Senate District 44 112,611
Senate District 45 61,357
Senate District 46 96,020
Senate District 47 86,627
Senate District 48 104,492
Senate District 49 34,209
Senate District 50 66,136
Senate District 51 53,456
Senate District 52 78,355
Senate District 53 90,258
Senate District 54 77,304
Senate District 55 80,218
Senate District 56 118,463
Senate District 57 112,036
Senate District 58 62,832
Senate District 59 74,104
2,966,722

State House Of Representatives

District Name # of Members
House District 1 7,249
House District 2 8,118
House District 3 12,033
House District 4 14,886
House District 5 14,952
House District 6 12,427
House District 7 20,555
House District 8 13,843
House District 9 14,247
House District 10 13,414
House District 11 11,331
House District 12 10,245
House District 13 13,229
House District 14 13,156
House District 15 12,838
House District 16 10,313
House District 17 11,411
House District 18 10,718
House District 19 15,597
House District 20 20,164
House District 21 10,018
House District 22 11,785
House District 23 4,057
House District 24 7,506
House District 25 16,249
House District 26 15,034
House District 27 19,401
House District 28 16,704
House District 29 23,175
House District 30 19,417
House District 31 17,760
House District 32 13,915
House District 33 20,327
House District 34 24,822
House District 35 18,906
House District 36 16,277
House District 37 12,425
House District 38 22,232
House District 39 11,789
House District 40 10,844
House District 41 15,992
House District 42 15,166
House District 43 15,424
House District 44 17,059
House District 45 13,531
House District 46 16,156
House District 47 17,422
House District 48 17,114
House District 49 15,773
House District 50 17,745
House District 51 19,590
House District 52 23,591
House District 53 17,926
House District 54 17,126
House District 55 15,147
House District 56 16,898
House District 57 13,482
House District 58 11,724
House District 59 23,977
House District 60 38,840
House District 61 50,155
House District 62 33,303
House District 63 23,568
House District 64 33,936
House District 65 16,759
House District 66 21,985
House District 67 25,550
House District 68 24,128
House District 69 21,822
House District 70 21,095
House District 71 51,155
House District 72 77,981
House District 73 46,066
House District 74 35,727
House District 75 24,000
House District 76 36,702
House District 77 15,955
House District 78 16,724
House District 79 34,548
House District 80 17,929
House District 81 14,144
House District 82 11,399
House District 83 19,866
House District 84 19,281
House District 85 13,711
House District 86 15,100
House District 87 51,643
House District 88 60,782
House District 89 30,687
House District 90 30,465
House District 91 48,921
House District 92 47,061
House District 93 49,788
House District 94 36,655
House District 95 46,406
House District 96 57,512
House District 97 16,901
House District 98 17,036
House District 99 23,322
House District 100 42,498
House District 101 29,036
House District 102 24,129
House District 103 26,951
House District 104 50,878
House District 105 49,320
House District 106 40,770
House District 107 37,934
House District 108 39,315
House District 109 49,017
House District 110 30,866
House District 111 65,261
House District 112 53,202
House District 113 58,774
House District 114 51,571
House District 115 33,052
House District 116 29,768
House District 117 34,212
House District 118 39,291
2,958,665