(10 ILCS 91/10.18)
    Sec. 10.18. Representative District No. 18. Representative District No. 18 is comprised of:
 
District: 18
Cook County
    Tract: 800100
        Blockgroup: 2
            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 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
    Tract: 800200
        Blockgroup: 2
            Block 2016
            Block 2017
            Block 2018
            Block 2019
            Block 2020
            Block 2021
            Block 2022
            Block 2023
            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
        Blockgroup: 3
        Blockgroup: 4
        Blockgroup: 5
            Block 5008
            Block 5009
            Block 5010
            Block 5011
            Block 5012
            Block 5013
            Block 5014
            Block 5015
            Block 5016
            Block 5017
            Block 5018
        Blockgroup: 6
    Tract: 800300
    Tract: 800400
        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
            Block 1023
            Block 1024
            Block 1025
            Block 1026
            Block 1027
            Block 1028
            Block 1029
            Block 1030
        Blockgroup: 2
        Blockgroup: 3
    Tract: 800500
    Tract: 800600
    Tract: 800700
        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 1022
            Block 1023
            Block 1024
            Block 1025
            Block 1026
            Block 1027
            Block 1031
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2002
            Block 2003
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2008
            Block 2009
        Blockgroup: 3
            Block 3000
            Block 3006
        Blockgroup: 4
            Block 4006
            Block 4007
            Block 4008
            Block 4009
            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: 800800
        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 1058
            Block 1059
            Block 1060
            Block 1061
            Block 1062
            Block 1063
            Block 1064
            Block 1065
            Block 1066
            Block 1067
            Block 1068
            Block 1069
            Block 1070
            Block 1071
            Block 1072
            Block 1073
            Block 1074
            Block 1075
            Block 1076
            Block 1077
            Block 1078
            Block 1079
            Block 1080
            Block 1081
            Block 1082
            Block 1083
            Block 1084
            Block 1085
            Block 1086
            Block 1087
            Block 1088
            Block 1089
            Block 1090
            Block 1091
            Block 1092
            Block 1093
            Block 1094
            Block 1095
            Block 1096
            Block 1097
            Block 1098
            Block 1099
            Block 1100
            Block 1101
            Block 1102
            Block 1103
            Block 1104
            Block 1105
            Block 1106
            Block 1107
            Block 1109
    Tract: 801100
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1007
            Block 1014
            Block 1015
            Block 1016
        Blockgroup: 2
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3013
            Block 3014
            Block 3022
            Block 3023
            Block 3024
            Block 3025
            Block 3026
            Block 3028
            Block 3030
    Tract: 801200
        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
            Block 3015
            Block 3016
            Block 3017
            Block 3018
            Block 3019
            Block 3020
            Block 3021
            Block 3022
            Block 3023
            Block 3024
            Block 3025
            Block 3026
            Block 3027
            Block 3028
            Block 3029
            Block 3030
            Block 3031
            Block 3032
            Block 3033
            Block 3034
            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
    Tract: 801300
    Tract: 801500
        Blockgroup: 1
            Block 1024
            Block 1025
            Block 1026
            Block 1027
            Block 1033
            Block 1034
            Block 1035
            Block 1036
            Block 1037
            Block 1038
            Block 1039
            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 1058
            Block 1059
            Block 1060
            Block 1061
            Block 1062
            Block 1063
            Block 1064
            Block 1065
            Block 1066
            Block 1067
            Block 1068
            Block 1069
            Block 1070
            Block 1071
            Block 1072
            Block 1073
            Block 1076
            Block 1077
            Block 1078
        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 3028
            Block 3029
            Block 3030
            Block 3031
            Block 3032
            Block 3033
            Block 3035
            Block 3037
            Block 3051
            Block 3052
            Block 3053
    Tract: 801601
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1015
            Block 1071
            Block 1072
            Block 1073
            Block 1115
            Block 1116
            Block 1117
            Block 1121
            Block 1122
            Block 1123
            Block 1124
            Block 1125
    Tract: 801702
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2005
            Block 2016
            Block 2017
            Block 2023
            Block 2024
            Block 2025
            Block 2026
            Block 2027
            Block 2028
            Block 2029
            Block 2030
            Block 2031
            Block 2032
    Tract: 801800
    Tract: 801901
        Blockgroup: 1
            Block 1008
            Block 1010
            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 1037
            Block 1038
            Block 1039
            Block 1040
            Block 1041
            Block 1042
        Blockgroup: 3
            Block 3000
            Block 3002
            Block 3013
            Block 3014
            Block 3015
            Block 3016
            Block 3017
            Block 3018
    Tract: 801902
    Tract: 808702
        Blockgroup: 1
        Blockgroup: 2
            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
            Block 2017
    Tract: 808800
        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 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 1049
            Block 1050
            Block 1051
            Block 1052
            Block 1053
            Block 1054
            Block 1055
            Block 1056
            Block 1057
            Block 1058
            Block 1059
        Blockgroup: 2
            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
            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
            Block 2052
            Block 2053
            Block 2054
            Block 2055
            Block 2056
            Block 2057
            Block 2058
            Block 2059
            Block 2060
            Block 2061
            Block 2062
            Block 2063
            Block 2064
            Block 2065
            Block 2066
            Block 2067
            Block 2068
            Block 2069
            Block 2070
            Block 2071
            Block 2072
            Block 2073
            Block 2074
            Block 2075
    Tract: 809200
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1008
            Block 1009
            Block 1010
            Block 1022
            Block 1023
            Block 1024
        Blockgroup: 2
        Blockgroup: 3
        Blockgroup: 4
            Block 4005
            Block 4006
            Block 4007
            Block 4008
            Block 4009
            Block 4010
            Block 4011
            Block 4012
            Block 4013
            Block 4014
            Block 4015
            Block 4016
            Block 4017
            Block 4018
            Block 4019
            Block 4020
    Tract: 809300
    Tract: 809400
        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
            Block 1023
            Block 1024
            Block 1025
            Block 1026
            Block 1027
        Blockgroup: 2
        Blockgroup: 3
        Blockgroup: 4
    Tract: 809500
    Tract: 809600
    Tract: 809700
    Tract: 809800
    Tract: 809900
    Tract: 810000
        Blockgroup: 1
        Blockgroup: 2
        Blockgroup: 3
            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 3017
            Block 3018
            Block 3019
    Tract: 810100
    Tract: 810200
        Blockgroup: 1
        Blockgroup: 2
            Block 2000
        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 4012
            Block 4013
            Block 4015
            Block 4016
        Blockgroup: 5
        Blockgroup: 6
            Block 6000
            Block 6001
            Block 6002
            Block 6005
            Block 6006
    Tract: 810301
        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 3015
            Block 3016
            Block 3017
            Block 3018
            Block 3019
            Block 3020
            Block 3021
            Block 3025
            Block 3026
            Block 3028
        Blockgroup: 4
            Block 4000
            Block 4001
            Block 4002
            Block 4003
            Block 4004
            Block 4005
            Block 4006
    Tract: 810302
(Source: P.A. 97-6, eff. 6-3-11.)