(10 ILCS 91/10.40)
    Sec. 10.40. Representative District No. 40. Representative District No. 40 is comprised of:
 
District: 40
Cook County
    Tract: 140100
        Blockgroup: 1
            Block 1002
            Block 1003
            Block 1004
            Block 1005
        Blockgroup: 2
    Tract: 140200
        Blockgroup: 2
        Blockgroup: 3
            Block 3007
            Block 3008
            Block 3009
            Block 3010
            Block 3011
            Block 3012
            Block 3013
            Block 3014
            Block 3015
            Block 3016
            Block 3017
            Block 3018
            Block 3019
    Tract: 140301
        Blockgroup: 1
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2007
            Block 2010
    Tract: 140302
        Blockgroup: 1
        Blockgroup: 2
            Block 2007
            Block 2008
            Block 2009
            Block 2010
            Block 2011
            Block 2012
            Block 2013
            Block 2014
    Tract: 140500
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1021
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3002
            Block 3003
            Block 3004
            Block 3005
            Block 3006
            Block 3007
            Block 3008
            Block 3009
            Block 3010
            Block 3011
            Block 3012
            Block 3013
            Block 3014
            Block 3015
            Block 3016
            Block 3018
            Block 3019
            Block 3020
            Block 3021
            Block 3022
            Block 3023
    Tract: 140601
    Tract: 140602
    Tract: 140701
    Tract: 140702
    Tract: 140800
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1009
            Block 1010
        Blockgroup: 4
            Block 4001
            Block 4002
            Block 4003
            Block 4004
            Block 4005
            Block 4006
            Block 4011
            Block 4012
            Block 4013
            Block 4014
        Blockgroup: 5
            Block 5004
            Block 5005
            Block 5006
            Block 5007
            Block 5008
            Block 5009
            Block 5010
            Block 5011
            Block 5018
            Block 5019
            Block 5020
    Tract: 160200
        Blockgroup: 3
        Blockgroup: 4
            Block 4000
            Block 4001
            Block 4002
            Block 4003
            Block 4004
            Block 4006
            Block 4007
            Block 4008
            Block 4009
            Block 4010
            Block 4011
            Block 4012
            Block 4013
            Block 4014
            Block 4016
            Block 4017
            Block 4018
            Block 4019
            Block 4020
            Block 4021
            Block 4022
            Block 4023
            Block 4024
            Block 4025
            Block 4026
            Block 4027
            Block 4028
            Block 4029
    Tract: 160300
        Blockgroup: 1
        Blockgroup: 2
        Blockgroup: 3
            Block 3001
            Block 3002
            Block 3003
            Block 3004
            Block 3005
            Block 3006
            Block 3007
            Block 3008
    Tract: 160400
    Tract: 160501
    Tract: 160502
    Tract: 160601
        Blockgroup: 1
        Blockgroup: 2
            Block 2002
            Block 2005
            Block 2006
            Block 2007
            Block 2008
    Tract: 160602
        Blockgroup: 1
        Blockgroup: 2
        Blockgroup: 3
            Block 3003
            Block 3004
            Block 3005
            Block 3006
            Block 3007
            Block 3008
            Block 3009
            Block 3010
            Block 3011
            Block 3012
            Block 3013
            Block 3014
    Tract: 160700
        Blockgroup: 2
            Block 2003
            Block 2010
            Block 2011
            Block 2012
            Block 2013
        Blockgroup: 3
        Blockgroup: 4
        Blockgroup: 5
    Tract: 160800
    Tract: 160900
    Tract: 161000
    Tract: 161100
    Tract: 161200
        Blockgroup: 1
            Block 1000
    Tract: 161300
        Blockgroup: 1
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2002
            Block 2003
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2008
        Blockgroup: 4
            Block 4000
            Block 4001
            Block 4002
            Block 4003
            Block 4005
            Block 4006
            Block 4007
            Block 4008
            Block 4009
            Block 4011
    Tract: 210100
        Blockgroup: 1
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1007
            Block 1008
            Block 1009
            Block 1010
            Block 1011
            Block 1012
            Block 1013
            Block 1014
            Block 1015
            Block 1016
            Block 1017
            Block 1018
            Block 1019
            Block 1020
            Block 1021
            Block 1022
        Blockgroup: 2
        Blockgroup: 3
    Tract: 210501
        Blockgroup: 1
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2009
            Block 2010
            Block 2011
            Block 2012
            Block 2013
            Block 2014
            Block 2015
            Block 2016
            Block 2017
            Block 2018
            Block 2019
            Block 2020
            Block 2025
    Tract: 210502
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1007
            Block 1008
            Block 1009
            Block 1017
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2002
            Block 2003
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2008
            Block 2010
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3002
            Block 3003
            Block 3004
    Tract: 210601
        Blockgroup: 1
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2002
            Block 2003
            Block 2004
            Block 2005
        Blockgroup: 3
    Tract: 210602
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1007
            Block 1008
            Block 1009
            Block 1010
            Block 1011
            Block 1012
            Block 1013
            Block 1015
            Block 1016
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3002
            Block 3003
            Block 3007
    Tract: 210700
    Tract: 210800
    Tract: 210900
        Blockgroup: 1
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1007
            Block 1008
            Block 1009
            Block 1010
            Block 1011
            Block 1012
            Block 1013
            Block 1014
            Block 1015
            Block 1016
            Block 1017
            Block 1018
            Block 1019
            Block 1020
            Block 1021
            Block 1022
            Block 1023
            Block 1024
            Block 1025
            Block 1026
            Block 1027
            Block 1028
            Block 1029
            Block 1030
            Block 1031
            Block 1033
            Block 1034
            Block 1035
            Block 1036
            Block 1037
            Block 1038
            Block 1039
            Block 1040
            Block 1041
            Block 1042
            Block 1043
            Block 1044
            Block 1045
            Block 1046
            Block 1047
            Block 1048
        Blockgroup: 2
    Tract: 220300
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1007
            Block 1008
            Block 1009
            Block 1010
            Block 1011
            Block 1012
            Block 1013
            Block 1014
            Block 1015
            Block 1016
            Block 1017
            Block 1018
            Block 1019
            Block 1020
            Block 1024
            Block 1025
            Block 1026
            Block 1027
            Block 1028
            Block 1029
            Block 1030
            Block 1031
            Block 1032
        Blockgroup: 2
            Block 2000
            Block 2003
            Block 2004
            Block 2005
    Tract: 220400
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            Block 1006
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2002
            Block 2003
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2008
            Block 2009
            Block 2010
            Block 2011
            Block 2012
    Tract: 220500
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1009
            Block 1010
            Block 1011
            Block 1014
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3002
            Block 3009
    Tract: 830900
        Blockgroup: 1
            Block 1009
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2002
            Block 2003
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2012
            Block 2013
            Block 2014
            Block 2015
        Blockgroup: 3
    Tract: 831100
        Blockgroup: 1
        Blockgroup: 2
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3002
            Block 3003
            Block 3004
            Block 3005
            Block 3006
            Block 3007
            Block 3008
            Block 3009
            Block 3010
            Block 3011
            Block 3012
            Block 3013
            Block 3014
            Block 3015
            Block 3016
            Block 3017
            Block 3018
            Block 3019
            Block 3020
            Block 3021
            Block 3022
            Block 3023
        Blockgroup: 4
    Tract: 831700
        Blockgroup: 1
            Block 1003
            Block 1007
            Block 1008
            Block 1013
            Block 1014
            Block 1015
            Block 1016
            Block 1017
            Block 1018
            Block 1019
            Block 1020
            Block 1021
(Source: P.A. 97-6, eff. 6-3-11.)