(10 ILCS 91/10.42)
    Sec. 10.42. Representative District No. 42. Representative District No. 42 is comprised of:
 
District: 42
DuPage County
    Tract: 841205
        Blockgroup: 2
            Block 2020
            Block 2021
            Block 2022
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3002
            Block 3004
            Block 3005
            Block 3006
            Block 3007
            Block 3008
            Block 3009
            Block 3010
            Block 3011
            Block 3012
            Block 3013
    Tract: 841206
        Blockgroup: 1
            Block 1002
            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
        Blockgroup: 2
        Blockgroup: 3
    Tract: 841210
        Blockgroup: 3
            Block 3009
            Block 3010
            Block 3011
    Tract: 841307
        Blockgroup: 1
            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
        Blockgroup: 2
        Blockgroup: 3
            Block 3008
            Block 3009
            Block 3010
            Block 3011
            Block 3012
            Block 3013
            Block 3014
            Block 3015
        Blockgroup: 4
    Tract: 841324
        Blockgroup: 1
            Block 1012
            Block 1013
            Block 1014
            Block 1015
            Block 1017
            Block 1018
            Block 1019
            Block 1020
            Block 1021
            Block 1022
            Block 1023
            Block 1024
            Block 1025
            Block 1026
            Block 1027
            Block 1028
        Blockgroup: 2
    Tract: 841326
        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 1021
            Block 1022
            Block 1073
            Block 1075
            Block 1077
            Block 1080
            Block 1081
    Tract: 841401
        Blockgroup: 1
        Blockgroup: 2
        Blockgroup: 3
        Blockgroup: 4
            Block 4000
            Block 4001
            Block 4002
            Block 4003
            Block 4004
            Block 4005
            Block 4007
            Block 4008
            Block 4009
            Block 4010
            Block 4011
            Block 4012
    Tract: 841403
    Tract: 841404
    Tract: 841501
        Blockgroup: 4
            Block 4000
            Block 4001
    Tract: 841603
        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 1021
            Block 1022
            Block 1023
            Block 1024
            Block 1025
            Block 1026
            Block 1027
            Block 1028
            Block 1029
            Block 1030
            Block 1031
            Block 1032
            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
            Block 1049
            Block 1050
            Block 1051
            Block 1052
            Block 1053
            Block 1054
            Block 1055
            Block 1056
            Block 1057
            Block 1061
            Block 1062
            Block 1063
            Block 1064
            Block 1065
            Block 1066
            Block 1068
            Block 1069
            Block 1075
            Block 1078
            Block 1079
            Block 1084
            Block 1085
            Block 1086
            Block 1087
            Block 1088
            Block 1089
            Block 1090
            Block 1091
            Block 1092
            Block 1093
            Block 1096
            Block 1098
            Block 1099
            Block 1100
            Block 1105
            Block 1106
            Block 1107
            Block 1108
        Blockgroup: 2
        Blockgroup: 3
    Tract: 841604
        Blockgroup: 2
            Block 2015
            Block 2016
    Tract: 841605
        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 1032
            Block 1033
            Block 1034
            Block 1035
            Block 1036
        Blockgroup: 2
            Block 2003
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2055
            Block 2063
            Block 2064
            Block 2065
            Block 2066
            Block 2067
            Block 2068
            Block 2069
            Block 2070
            Block 2071
            Block 2072
            Block 2073
            Block 2074
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3002
            Block 3003
            Block 3004
            Block 3005
            Block 3007
            Block 3008
            Block 3009
            Block 3010
            Block 3011
            Block 3012
            Block 3013
            Block 3014
    Tract: 841606
        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
            Block 2013
            Block 2014
            Block 2015
    Tract: 841704
    Tract: 841801
        Blockgroup: 3
    Tract: 841802
    Tract: 842500
        Blockgroup: 1
        Blockgroup: 2
            Block 2002
            Block 2003
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2008
            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 2021
            Block 2022
            Block 2023
            Block 2024
            Block 2025
            Block 2026
            Block 2027
            Block 2028
            Block 2029
            Block 2030
            Block 2031
            Block 2032
            Block 2033
            Block 2034
            Block 2035
            Block 2036
            Block 2037
            Block 2038
            Block 2039
            Block 2040
            Block 2041
            Block 2042
            Block 2043
            Block 2044
            Block 2045
            Block 2046
            Block 2047
            Block 2048
            Block 2049
            Block 2050
            Block 2051
    Tract: 842601
    Tract: 842602
    Tract: 842603
    Tract: 842604
    Tract: 842605
    Tract: 842702
        Blockgroup: 1
        Blockgroup: 2
            Block 2001
            Block 2002
            Block 2003
            Block 2004
            Block 2009
            Block 2010
            Block 2011
            Block 2012
            Block 2013
            Block 2014
            Block 2015
        Blockgroup: 3
            Block 3009
            Block 3010
            Block 3011
            Block 3014
            Block 3015
            Block 3016
            Block 3017
            Block 3018
            Block 3019
            Block 3025
            Block 3026
            Block 3027
            Block 3028
            Block 3029
    Tract: 842703
        Blockgroup: 2
        Blockgroup: 3
            Block 3008
            Block 3009
            Block 3010
            Block 3011
            Block 3012
            Block 3013
            Block 3014
            Block 3015
            Block 3016
            Block 3017
            Block 3018
    Tract: 842704
        Blockgroup: 2
            Block 2009
    Tract: 842711
        Blockgroup: 1
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            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 1032
            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
            Block 1049
            Block 1053
            Block 1054
            Block 1055
            Block 1056
            Block 1057
            Block 1058
            Block 1059
            Block 1060
            Block 1061
            Block 1062
            Block 1063
            Block 1064
            Block 1065
            Block 1066
    Tract: 846004
        Blockgroup: 1
            Block 1005
            Block 1006
            Block 1007
            Block 1008
            Block 1009
            Block 1014
            Block 1015
        Blockgroup: 2
            Block 2002
            Block 2003
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2008
            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 2021
            Block 2022
            Block 2023
            Block 2024
            Block 2025
            Block 2026
            Block 2027
            Block 2028
        Blockgroup: 3
            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
            Block 3035
            Block 3036
            Block 3037
            Block 3038
            Block 3039
            Block 3040
            Block 3041
            Block 3042
            Block 3043
            Block 3044
            Block 3045
            Block 3046
            Block 3047
            Block 3048
            Block 3049
            Block 3050
            Block 3051
            Block 3052
            Block 3053
            Block 3057
            Block 3059
    Tract: 846102
    Tract: 846103
        Blockgroup: 1
        Blockgroup: 4
            Block 4000
            Block 4001
            Block 4002
            Block 4003
            Block 4004
            Block 4005
            Block 4006
            Block 4007
            Block 4008
            Block 4009
            Block 4010
            Block 4011
            Block 4018
    Tract: 846104
    Tract: 846105
        Blockgroup: 1
        Blockgroup: 2
            Block 2000
            Block 2001
        Blockgroup: 3
    Tract: 846106
    Tract: 846202
        Blockgroup: 1
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2002
            Block 2003
            Block 2013
            Block 2014
            Block 2015
            Block 2016
            Block 2018
        Blockgroup: 3
        Blockgroup: 4
    Tract: 846205
        Blockgroup: 1
        Blockgroup: 2
    Tract: 846208
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            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
    Tract: 846312
        Blockgroup: 3
            Block 3002
            Block 3003
            Block 3004
            Block 3008
            Block 3009
            Block 3010
            Block 3014
            Block 3015
            Block 3016
            Block 3017
    Tract: 846313
        Blockgroup: 1
            Block 1014
            Block 1015
            Block 1016
            Block 1019
            Block 1020
            Block 1037
        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
            Block 2013
            Block 2014
            Block 2015
            Block 2016
        Blockgroup: 3
            Block 3020
            Block 3023
(Source: P.A. 97-6, eff. 6-3-11.)