Congressional District No. 15 is comprised of:
 
District: 15
Bond County
     Tract: 951200
         Blockgroup: 1
             Block 1104
             Block 1105
             Block 1106
             Block 1117
         Blockgroup: 2
             Block 2041
             Block 2042
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             Block 2105
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             Block 2110
             Block 2111
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             Block 2113
             Block 2114
             Block 2115
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             Block 2119
             Block 2120
             Block 2121
             Block 2122
             Block 2123
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             Block 2125
             Block 2126
             Block 2127
             Block 2128
             Block 2129
             Block 2130
             Block 2131
             Block 2132
             Block 2133
             Block 2134
             Block 2135
             Block 2136
             Block 2137
             Block 2138
             Block 2139
             Block 2140
             Block 2141
             Block 2142
             Block 2143
             Block 2144
             Block 2145
             Block 2146
             Block 2147
             Block 2148
             Block 2149
             Block 2150
             Block 2151
             Block 2152
             Block 2153
             Block 2154
             Block 2155
         Blockgroup: 3
             Block 3057
             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 3073
             Block 3074
             Block 3075
             Block 3076
             Block 3077
             Block 3078
             Block 3079
             Block 3080
             Block 3081
             Block 3082
             Block 3083
             Block 3084
             Block 3085
             Block 3088
     Tract: 951300
     Tract: 951400
         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
             Block 2076
             Block 2077
             Block 2078
             Block 2079
             Block 2080
             Block 2081
             Block 2082
             Block 2083
             Block 2084
             Block 2085
             Block 2086
             Block 2087
             Block 2088
             Block 2089
             Block 2090
             Block 2091
             Block 2092
             Block 2093
             Block 2094
             Block 2095
             Block 2096
             Block 2097
             Block 2098
             Block 2099
             Block 2100
             Block 2101
             Block 2102
             Block 2103
             Block 2104
             Block 2105
             Block 2106
             Block 2107
             Block 2108
             Block 2109
             Block 2110
             Block 2111
             Block 2112
             Block 2113
             Block 2114
             Block 2115
             Block 2116
         Blockgroup: 3
             Block 3015
             Block 3016
             Block 3017
             Block 3020
             Block 3021
             Block 3022
             Block 3030
             Block 3031
             Block 3032
             Block 3033
             Block 3034
             Block 3035
             Block 3036
             Block 3037
             Block 3038
             Block 3039
             Block 3042
             Block 3043
             Block 3044
             Block 3045
             Block 3046
             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 3064
             Block 3065
             Block 3066
             Block 3067
             Block 3068
             Block 3069
             Block 3070
             Block 3071
             Block 3072
             Block 3073
     Tract: 951500
Champaign County
     Tract: 000902
         Blockgroup: 2
             Block 2004
             Block 2005
             Block 2006
     Tract: 005402
         Blockgroup: 2
             Block 2000
             Block 2001
             Block 2002
     Tract: 010100
     Tract: 010204
     Tract: 010300
     Tract: 010400
     Tract: 010500
     Tract: 010601
     Tract: 010603
     Tract: 010604
         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 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 1113
             Block 1114
             Block 1115
             Block 1116
             Block 1117
             Block 1123
             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 1151
             Block 1152
             Block 1153
             Block 1154
             Block 1162
             Block 1163
             Block 1164
             Block 1165
             Block 1186
             Block 1187
             Block 1188
             Block 1189
             Block 1190
             Block 1191
             Block 1193
             Block 1194
             Block 1219
             Block 1220
             Block 1221
             Block 1222
             Block 1225
             Block 1226
             Block 1227
             Block 1231
             Block 1235
             Block 1239
             Block 1240
             Block 1260
             Block 1261
             Block 1262
             Block 1263
             Block 1264
             Block 1265
             Block 1267
             Block 1269
         Blockgroup: 2
             Block 2000
             Block 2001
             Block 2002
             Block 2003
             Block 2004
             Block 2010
     Tract: 010700
     Tract: 010800
     Tract: 010900
         Blockgroup: 8
             Block 8000
             Block 8001
             Block 8002
             Block 8003
             Block 8004
             Block 8005
             Block 8006
             Block 8007
             Block 8008
             Block 8009
             Block 8010
             Block 8011
             Block 8012
             Block 8013
             Block 8016
             Block 8017
             Block 8018
             Block 8019
             Block 8020
             Block 8021
             Block 8022
             Block 8023
             Block 8024
             Block 8025
             Block 8026
             Block 8027
             Block 8028
             Block 8029
             Block 8030
             Block 8031
             Block 8032
             Block 8033
             Block 8034
             Block 8035
             Block 8036
             Block 8037
             Block 8038
             Block 8039
             Block 8040
             Block 8041
             Block 8042
             Block 8043
             Block 8044
             Block 8045
             Block 8046
             Block 8048
             Block 8049
             Block 8050
             Block 8051
             Block 8052
             Block 8053
             Block 8054
             Block 8055
             Block 8056
             Block 8057
             Block 8058
             Block 8059
             Block 8060
             Block 8061
             Block 8062
             Block 8063
             Block 8064
             Block 8065
             Block 8066
             Block 8067
             Block 8068
             Block 8069
             Block 8070
             Block 8071
             Block 8072
             Block 8073
             Block 8074
             Block 8075
             Block 8076
             Block 8077
             Block 8078
             Block 8079
             Block 8080
             Block 8081
             Block 8082
             Block 8083
             Block 8084
             Block 8085
             Block 8086
             Block 8087
             Block 8088
             Block 8089
             Block 8090
             Block 8091
             Block 8092
             Block 8093
             Block 8094
             Block 8095
             Block 8096
             Block 8097
             Block 8098
             Block 8099
             Block 8100
             Block 8101
             Block 8102
             Block 8103
             Block 8104
             Block 8105
             Block 8106
             Block 8107
             Block 8108
             Block 8109
             Block 8110
             Block 8111
             Block 8112
             Block 8113
             Block 8114
             Block 8115
             Block 8116
             Block 8117
             Block 8118
             Block 8119
             Block 8120
             Block 8121
             Block 8122
             Block 8123
             Block 8124
             Block 8125
             Block 8126
             Block 8131
             Block 8132
             Block 8133
             Block 8134
             Block 8136
             Block 8137
Clark County
Clay County
Clinton County
Coles County
Crawford County
Cumberland County
Douglas County
Edgar County
Edwards County
Effingham County
Fayette County
Ford County
     Tract: 961700
         Blockgroup: 1
             Block 1113
             Block 1114
             Block 1118
             Block 1119
             Block 1120
             Block 1121
             Block 1122
             Block 1123
             Block 1124
             Block 1125
             Block 1127
             Block 1128
             Block 1129
             Block 1130
             Block 1131
             Block 1132
         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 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 2076
             Block 2077
             Block 2078
             Block 2079
             Block 2080
             Block 2081
             Block 2082
             Block 2083
             Block 2084
             Block 2085
             Block 2086
             Block 2087
             Block 2088
             Block 2089
             Block 2090
             Block 2091
             Block 2092
             Block 2093
             Block 2094
             Block 2095
             Block 2096
             Block 2097
             Block 2098
             Block 2099
             Block 2100
             Block 2101
             Block 2102
             Block 2103
             Block 2104
             Block 2105
             Block 2106
             Block 2107
             Block 2108
             Block 2109
             Block 2110
             Block 2111
             Block 2112
             Block 2113
             Block 2114
             Block 2115
             Block 2116
             Block 2117
             Block 2118
             Block 2119
             Block 2120
             Block 2121
             Block 2122
             Block 2123
             Block 2124
             Block 2125
             Block 2126
             Block 2127
             Block 2128
             Block 2129
             Block 2130
             Block 2131
             Block 2132
             Block 2133
             Block 2134
             Block 2135
             Block 2136
             Block 2137
             Block 2138
             Block 2139
             Block 2140
             Block 2141
             Block 2142
             Block 2143
             Block 2144
             Block 2145
             Block 2146
             Block 2147
             Block 2148
             Block 2149
             Block 2150
             Block 2151
             Block 2152
             Block 2153
             Block 2154
             Block 2155
             Block 2156
             Block 2157
         Blockgroup: 3
     Tract: 961800
     Tract: 961900
         Blockgroup: 2
             Block 2088
             Block 2100
             Block 2101
             Block 2103
             Block 2104
             Block 2105
             Block 2106
             Block 2107
             Block 2108
             Block 2109
             Block 2110
             Block 2111
             Block 2112
             Block 2113
             Block 2114
             Block 2115
             Block 2116
             Block 2117
             Block 2118
             Block 2122
             Block 2123
             Block 2124
             Block 2125
             Block 2126
             Block 2127
             Block 2128
             Block 2129
             Block 2188
             Block 2189
             Block 2190
             Block 2191
             Block 2192
             Block 2193
             Block 2194
             Block 2195
             Block 2196
             Block 2197
             Block 2225
             Block 2226
             Block 2227
             Block 2228
             Block 2229
             Block 2230
             Block 2231
             Block 2232
             Block 2233
             Block 2234
             Block 2235
             Block 2236
             Block 2237
             Block 2238
             Block 2239
             Block 2240
             Block 2241
             Block 2242
             Block 2243
             Block 2244
             Block 2245
             Block 2246
             Block 2247
             Block 2248
             Block 2249
             Block 2250
             Block 2272
             Block 2275
             Block 2279
             Block 2291
             Block 2293
Gallatin County
Hamilton County
Hardin County
Jasper County
Johnson County
Lawrence County
Madison County
     Tract: 403200
         Blockgroup: 3
             Block 3015
             Block 3016
             Block 3017
             Block 3028
             Block 3029
             Block 3032
             Block 3038
     Tract: 403300
         Blockgroup: 2
             Block 2015
             Block 2017
             Block 2018
             Block 2019
             Block 2020
             Block 2021
             Block 2022
             Block 2023
             Block 2024
             Block 2025
             Block 2026
             Block 2027
         Blockgroup: 3
     Tract: 403402
         Blockgroup: 1
             Block 1021
             Block 1041
             Block 1042
             Block 1043
             Block 1044
             Block 1045
         Blockgroup: 2
             Block 2000
             Block 2001
             Block 2002
             Block 2003
             Block 2004
             Block 2006
             Block 2010
             Block 2011
             Block 2012
             Block 2013
             Block 2014
             Block 2015
             Block 2016
             Block 2017
             Block 2018
             Block 2019
             Block 2020
         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 3015
             Block 3016
             Block 3017
             Block 3018
             Block 3019
             Block 3020
             Block 3021
             Block 3022
             Block 3023
             Block 3024
         Blockgroup: 4
             Block 4005
             Block 4006
             Block 4007
             Block 4008
             Block 4013
             Block 4014
             Block 4015
             Block 4016
             Block 4018
             Block 4019
             Block 4020
             Block 4021
             Block 4022
             Block 4023
             Block 4024
             Block 4025
             Block 4026
             Block 4027
             Block 4028
             Block 4030
             Block 4031
             Block 4032
             Block 4033
             Block 4034
             Block 4035
             Block 4036
             Block 4037
             Block 4038
             Block 4039
             Block 4040
             Block 4041
     Tract: 403502
         Blockgroup: 3
             Block 3000
             Block 3001
             Block 3002
             Block 3003
             Block 3028
             Block 3029
             Block 3030
             Block 3031
             Block 3047
             Block 3048
         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 4014
             Block 4015
             Block 4016
             Block 4017
             Block 4018
             Block 4021
             Block 4023
             Block 4024
             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
             Block 4040
             Block 4041
             Block 4042
             Block 4043
             Block 4044
             Block 4045
             Block 4046
             Block 4047
             Block 4048
             Block 4049
             Block 4050
             Block 4051
             Block 4052
             Block 4053
             Block 4054
             Block 4055
             Block 4056
             Block 4057
             Block 4058
             Block 4059
             Block 4060
             Block 4061
             Block 4062
             Block 4063
             Block 4064
             Block 4065
             Block 4066
             Block 4067
             Block 4068
             Block 4069
             Block 4070
             Block 4071
             Block 4072
             Block 4073
             Block 4074
             Block 4075
             Block 4076
             Block 4077
             Block 4078
             Block 4079
             Block 4080
             Block 4081
             Block 4082
             Block 4083
             Block 4084
             Block 4085
             Block 4086
     Tract: 403531
     Tract: 403532
     Tract: 403533
         Blockgroup: 1
         Blockgroup: 2
         Blockgroup: 4
             Block 4000
             Block 4001
             Block 4008
             Block 4009
             Block 4010
             Block 4011
             Block 4012
             Block 4017
             Block 4018
             Block 4019
             Block 4039
             Block 4040
             Block 4041
             Block 4042
     Tract: 403534
         Blockgroup: 2
             Block 2118
             Block 2119
     Tract: 403601
     Tract: 403603
     Tract: 403604
     Tract: 403701
     Tract: 403702
     Tract: 403801
         Blockgroup: 2
             Block 2063
             Block 2064
             Block 2065
             Block 2066
             Block 2067
             Block 2069
         Blockgroup: 3
             Block 3000
             Block 3001
             Block 3002
             Block 3003
             Block 3004
             Block 3005
             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 3056
             Block 3057
             Block 3058
             Block 3059
             Block 3060
             Block 3061
             Block 3062
             Block 3063
             Block 3064
             Block 3065
         Blockgroup: 4
     Tract: 403802
         Blockgroup: 1
             Block 1000
             Block 1001
             Block 1002
             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 1108
             Block 1109
             Block 1110
             Block 1111
             Block 1112
             Block 1113
             Block 1114
             Block 1115
             Block 1116
             Block 1117
             Block 1118
             Block 1119
             Block 1120
             Block 1121
         Blockgroup: 4
             Block 4079
             Block 4080
             Block 4084
             Block 4085
             Block 4086
             Block 4087
             Block 4088
             Block 4089
             Block 4090
             Block 4091
             Block 4092
             Block 4093
             Block 4094
             Block 4095
             Block 4096
             Block 4099
             Block 4100
             Block 4101
             Block 4102
             Block 4103
             Block 4104
             Block 4105
             Block 4106
             Block 4107
             Block 4108
             Block 4109
             Block 4110
             Block 4111
             Block 4112
             Block 4113
             Block 4114
             Block 4115
             Block 4116
             Block 4117
             Block 4118
             Block 4119
             Block 4120
             Block 4121
             Block 4122
             Block 4123
             Block 4124
             Block 4125
             Block 4126
             Block 4127
             Block 4128
             Block 4129
             Block 4130
             Block 4137
             Block 4138
             Block 4141
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Moultrie County
Pope County
Richland County
Saline County
Shelby County
Vermilion County
Wabash County
Washington County
Wayne County
White County