(10 ILCS 91/10.21)
Sec. 10.21. Representative District No. 21. Representative District No. 21 is comprised of: District: 21 Cook County Tract: 300500 Blockgroup: 1 Block 1006 Block 1007 Block 1008 Block 1009 Block 1010 Block 1011 Block 1012 Block 1013 Blockgroup: 2 Block 2000 Block 2001 Block 2002 Block 2003 Block 2004 Block 2005 Block 2006 Block 2007 Tract: 300600 Blockgroup: 1 Block 1009 Block 1010 Block 1011 Block 1012 Block 1014 Block 1015 Block 1016 Block 1017 Block 1018 Block 1019 Block 1020 Blockgroup: 2 Block 2000 Block 2001 Block 2002 Block 2003 Block 2004 Block 2005 Block 2006 Block 2007 Tract: 300700 Blockgroup: 1 Block 1000 Block 1001 Block 1002 Block 1003 Block 1004 Block 1005 Block 1006 Block 1007 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: 3 Tract: 300800 Tract: 300900 Tract: 301100 Tract: 301200 Tract: 301801 Blockgroup: 2 Block 2037 Tract: 301802 Blockgroup: 1 Block 1001 Blockgroup: 2 Block 2000 Block 2006 Block 2007 Block 2008 Block 2009 Block 2016 Tract: 560100 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 1020 Block 1021 Block 1022 Tract: 560200 Blockgroup: 1 Block 1000 Tract: 560900 Blockgroup: 3 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 Blockgroup: 4 Blockgroup: 5 Blockgroup: 6 Tract: 561000 Blockgroup: 3 Block 3002 Block 3003 Block 3004 Block 3005 Block 3006 Block 3007 Block 3008 Block 3009 Block 3010 Block 3011 Block 3022 Blockgroup: 4 Block 4000 Block 4001 Block 4002 Block 4003 Block 4004 Block 4005 Block 4006 Block 4007 Block 4008 Blockgroup: 5 Block 5000 Block 5001 Block 5002 Block 5003 Block 5004 Block 5005 Block 5006 Block 5007 Block 5008 Block 5009 Block 5010 Block 5011 Block 5012 Block 5013 Blockgroup: 6 Block 6000 Block 6001 Block 6002 Block 6003 Block 6004 Block 6005 Block 6006 Block 6007 Block 6008 Block 6009 Block 6010 Block 6011 Block 6012 Tract: 570100 Blockgroup: 1 Block 1000 Block 1002 Tract: 570200 Blockgroup: 1 Block 1000 Tract: 580100 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 2010 Block 2011 Block 2012 Block 2013 Block 2014 Block 2015 Block 2016 Block 2017 Block 2019 Block 2020 Block 2021 Block 2025 Block 2026 Block 2027 Block 2028 Block 2033 Tract: 580200 Tract: 580300 Tract: 580501 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 1012 Block 1013 Block 1014 Block 1015 Block 1016 Blockgroup: 2 Blockgroup: 3 Blockgroup: 4 Tract: 580502 Blockgroup: 2 Block 2000 Block 2001 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 Block 3024 Block 3031 Tract: 580600 Blockgroup: 1 Block 1000 Block 1001 Block 1002 Block 1003 Block 1008 Blockgroup: 2 Block 2015 Blockgroup: 3 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 Blockgroup: 4 Block 4001 Block 4008 Block 4009 Block 4010 Block 4011 Block 4012 Block 4013 Tract: 814200 Blockgroup: 2 Block 2009 Block 2010 Block 2011 Block 2017 Block 2018 Block 2019 Block 2020 Tract: 814300 Blockgroup: 2 Block 2015 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 Tract: 814400 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 3023 Block 3024 Block 3025 Block 3026 Blockgroup: 4 Block 4013 Block 4014 Block 4015 Block 4016 Block 4017 Block 4018 Block 4019 Block 4020 Block 4021 Block 4022 Tract: 814500 Blockgroup: 3 Block 3028 Block 3029 Tract: 815500 Blockgroup: 7 Block 7025 Tract: 815701 Blockgroup: 4 Block 4006 Block 4007 Block 4008 Block 4009 Block 4010 Block 4011 Block 4012 Block 4013 Block 4014 Block 4015 Block 4016 Block 4017 Tract: 815702 Blockgroup: 2 Block 2006 Block 2007 Block 2008 Block 2009 Block 2010 Block 2014 Blockgroup: 3 Blockgroup: 4 Block 4007 Block 4008 Block 4009 Block 4010 Block 4011 Block 4014 Tract: 819100 Tract: 819200 Tract: 820202 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 1027 Block 1030 Block 1031 Block 1033 Block 1034 Block 1035 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 1108 Block 1109 Block 1110 Block 1111 Block 1112 Block 1133 Block 1143 Block 1144 Block 1146 Block 1147 Block 1148 Block 1188 Block 1189 Block 1190 Block 1191 Block 1192 Block 1193 Block 1194 Block 1195 Block 1196 Block 1197 Block 1198 Block 1199 Block 1200 Block 1236 Block 1237 Block 1251 Block 1252 Block 1253 Block 1254 Tract: 820300 Tract: 820400 Tract: 820501 Blockgroup: 1 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 1041 Block 1042 Block 1043 Block 1044 Block 1045 Block 1046 Block 1047 Block 1048 Block 1049 Tract: 820502 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 1041 Tract: 820700 Blockgroup: 1 Block 1000 Block 1001 Block 1002 Block 1003 Block 1004 Block 1005 Block 1006 Block 1007 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 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 Blockgroup: 2 Blockgroup: 3 Blockgroup: 4 Block 4004 Block 4005 Block 4010 Block 4011 Block 4012 Block 4013 Block 4014 Block 4015 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 Block 4030 Block 4031 Block 4032 Block 4033 Block 4034 Block 4035 Block 4036 Block 4037 Block 4038 Block 4039 Tract: 820800 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 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 3058 Block 3059 Block 3060 Block 3061 Block 3062 Block 3063 Block 3064 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 Tract: 830500 Blockgroup: 1 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 Blockgroup: 2 Block 2000 Block 2001 Block 2002 Block 2003 Block 2004 Block 2005 Block 2006 Block 2008 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 Blockgroup: 3 Tract: 840300 Blockgroup: 1 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 Tract: 840700 Blockgroup: 1 Blockgroup: 2 Blockgroup: 3 Block 3008 Block 3009 Block 3010 Block 3011 Block 3012 Block 3013 Block 3014 Block 3019 Block 3020 Block 3021 Block 3022 Tract: 840800 Blockgroup: 1 Block 1000 Block 1001 Block 1002 Block 1003 Block 1004 Block 1005 Block 1006 Block 1007 Block 1008 Block 1009 Block 1012 Block 1013 Block 1014 Block 1015 Block 1016 Block 1017 Block 1018 Blockgroup: 2 Block 2000 Block 2001 Block 2002 Block 2003 Block 2004 Block 2005 Block 2006 Block 2009 Block 2010 Block 2011 Block 2012 Block 2013 Tract: 841300 Blockgroup: 2 Block 2019 Block 2020 Block 2021 Block 2022 Block 2023 Block 2025 Block 2026 Tract: 842800 Blockgroup: 1 Block 1003 Blockgroup: 2 Block 2000 Block 2001 Block 2002 Block 2003 Blockgroup: 5 Block 5000 Block 5001 Tract: 843500
(Source: P.A. 97-6, eff. 6-3-11.)