(10 ILCS 91/10.100)
    Sec. 10.100. Representative District No. 100. Representative District No. 100 is comprised of:
 
District: 100
Calhoun County
Greene County
Jersey County
    Tract: 010100
    Tract: 010200
    Tract: 010300
        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
            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 2051
            Block 2055
            Block 2056
    Tract: 010401
    Tract: 010402
    Tract: 010500
Macoupin County
    Tract: 956100
        Blockgroup: 3
            Block 3007
            Block 3018
            Block 3019
            Block 3020
            Block 3021
            Block 3022
            Block 3023
            Block 3024
            Block 3025
            Block 3026
            Block 3031
            Block 3033
            Block 3034
            Block 3035
            Block 3046
            Block 3047
            Block 3048
            Block 3049
            Block 3071
            Block 3072
            Block 3073
            Block 3074
            Block 3075
            Block 3076
            Block 3077
            Block 3078
            Block 3079
            Block 3080
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            Block 3085
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            Block 3087
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            Block 3089
            Block 3090
            Block 3091
            Block 3092
            Block 3093
            Block 3094
            Block 3095
            Block 3096
            Block 3097
            Block 3098
            Block 3099
            Block 3102
            Block 3103
    Tract: 956200
    Tract: 956300
        Blockgroup: 2
            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 2065
            Block 2066
            Block 2067
            Block 2081
            Block 2082
            Block 2098
            Block 2099
            Block 2100
            Block 2101
            Block 2144
            Block 2269
            Block 2270
            Block 2276
            Block 2285
    Tract: 956500
        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
            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 1103
            Block 1104
            Block 1105
            Block 1106
            Block 1107
            Block 1108
            Block 1109
            Block 1110
            Block 1111
            Block 1112
            Block 1113
            Block 1124
            Block 1125
            Block 1126
            Block 1127
            Block 1128
            Block 1129
            Block 1130
            Block 1131
            Block 1132
            Block 1133
            Block 1134
            Block 1135
            Block 1136
            Block 1137
            Block 1138
            Block 1139
            Block 1140
            Block 1141
            Block 1142
            Block 1143
            Block 1144
            Block 1145
            Block 1146
            Block 1147
            Block 1148
            Block 1149
            Block 1150
            Block 1152
        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
            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
            Block 2078
            Block 2079
            Block 2080
            Block 2081
            Block 2082
            Block 2083
            Block 2084
            Block 2085
            Block 2095
            Block 2096
        Blockgroup: 3
            Block 3008
            Block 3009
            Block 3010
            Block 3011
            Block 3012
            Block 3013
            Block 3016
            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
            Block 3053
            Block 3054
            Block 3055
            Block 3056
            Block 3057
            Block 3058
            Block 3059
            Block 3060
            Block 3061
            Block 3062
            Block 3063
            Block 3065
            Block 3066
            Block 3067
            Block 3068
            Block 3069
            Block 3070
            Block 3071
            Block 3072
            Block 3073
            Block 3074
            Block 3075
            Block 3076
            Block 3077
            Block 3078
            Block 3079
            Block 3080
            Block 3081
            Block 3082
            Block 3083
            Block 3084
            Block 3087
            Block 3088
            Block 3089
            Block 3098
            Block 3099
            Block 3100
            Block 3101
            Block 3102
            Block 3103
            Block 3104
            Block 3105
            Block 3106
            Block 3112
            Block 3113
            Block 3114
Madison County
    Tract: 402701
        Blockgroup: 1
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2002
            Block 2003
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2008
            Block 2009
            Block 2018
            Block 2019
            Block 2020
            Block 2021
            Block 2022
            Block 2024
            Block 2025
            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
        Blockgroup: 4
            Block 4002
    Tract: 402721
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
        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 3020
            Block 3021
            Block 3022
            Block 3023
            Block 3024
            Block 3025
            Block 3027
            Block 3031
    Tract: 402801
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1007
            Block 1008
            Block 1009
            Block 1011
            Block 1013
            Block 1016
            Block 1017
        Blockgroup: 2
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2008
            Block 2009
            Block 2011
            Block 2012
            Block 2013
            Block 2019
            Block 2038
            Block 2039
            Block 2040
            Block 2041
Morgan County
Pike County
Sangamon County
    Tract: 003500
        Blockgroup: 5
            Block 5029
            Block 5030
            Block 5031
            Block 5032
            Block 5033
            Block 5034
            Block 5035
            Block 5036
            Block 5037
            Block 5038
            Block 5039
            Block 5044
            Block 5045
            Block 5063
            Block 5064
            Block 5065
            Block 5066
            Block 5067
            Block 5068
            Block 5069
            Block 5070
            Block 5071
            Block 5076
            Block 5077
            Block 5078
            Block 5079
            Block 5080
            Block 5081
            Block 5082
            Block 5083
            Block 5094
            Block 5095
            Block 5096
            Block 5097
            Block 5100
            Block 5101
            Block 5102
            Block 5103
            Block 5104
            Block 5105
            Block 5106
            Block 5107
            Block 5108
            Block 5109
            Block 5110
            Block 5111
            Block 5112
            Block 5113
            Block 5114
            Block 5115
            Block 5116
            Block 5117
            Block 5118
            Block 5119
            Block 5120
            Block 5121
            Block 5122
            Block 5123
            Block 5124
            Block 5125
            Block 5126
            Block 5127
            Block 5128
            Block 5129
            Block 5130
            Block 5131
            Block 5132
            Block 5133
            Block 5134
            Block 5135
            Block 5136
            Block 5137
            Block 5138
            Block 5139
            Block 5140
            Block 5141
            Block 5142
            Block 5143
            Block 5144
            Block 5145
            Block 5146
            Block 5147
            Block 5148
            Block 5149
            Block 5150
            Block 5151
            Block 5152
            Block 5153
            Block 5154
            Block 5155
            Block 5156
            Block 5157
            Block 5158
            Block 5159
            Block 5160
            Block 5161
            Block 5162
            Block 5163
            Block 5164
Scott County
(Source: P.A. 97-6, eff. 6-3-11.)