(10 ILCS 91/10.81)
    Sec. 10.81. Representative District No. 81. Representative District No. 81 is comprised of:
 
District: 81
DuPage County
    Tract: 844401
        Blockgroup: 1
            Block 1018
            Block 1020
    Tract: 844701
        Blockgroup: 4
            Block 4004
            Block 4005
            Block 4009
            Block 4010
            Block 4011
            Block 4022
            Block 4023
            Block 4024
            Block 4026
    Tract: 844801
        Blockgroup: 1
        Blockgroup: 2
            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 2025
            Block 2026
            Block 2027
        Blockgroup: 3
    Tract: 844802
        Blockgroup: 1
        Blockgroup: 2
            Block 2000
            Block 2001
            Block 2002
            Block 2003
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2008
            Block 2010
            Block 2011
            Block 2012
            Block 2013
            Block 2014
            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 2040
            Block 2041
            Block 2042
            Block 2043
    Tract: 844901
    Tract: 844902
    Tract: 845000
        Blockgroup: 4
            Block 4008
            Block 4009
            Block 4010
    Tract: 845505
    Tract: 845506
        Blockgroup: 1
            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
        Blockgroup: 2
    Tract: 845507
        Blockgroup: 1
            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 1021
            Block 1022
            Block 1023
        Blockgroup: 2
            Block 2008
            Block 2009
            Block 2010
            Block 2011
            Block 2012
            Block 2013
            Block 2014
            Block 2015
            Block 2018
            Block 2019
            Block 2020
            Block 2021
            Block 2022
            Block 2023
    Tract: 845601
    Tract: 845602
    Tract: 845701
    Tract: 845702
    Tract: 845703
    Tract: 845704
    Tract: 845802
    Tract: 845807
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
    Tract: 845808
    Tract: 845809
    Tract: 845810
        Blockgroup: 1
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1007
            Block 1008
            Block 1013
            Block 1014
            Block 1015
            Block 1016
            Block 1017
            Block 1018
            Block 1019
            Block 1022
    Tract: 846002
        Blockgroup: 1
            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
            Block 2000
            Block 2001
            Block 2002
            Block 2005
            Block 2006
            Block 2007
            Block 2008
            Block 2009
            Block 2013
            Block 2014
            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 2048
            Block 2049
            Block 2050
            Block 2051
        Blockgroup: 3
            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
            Block 3066
            Block 3067
            Block 3068
            Block 3069
            Block 3080
            Block 3081
            Block 3082
            Block 3083
            Block 3085
            Block 3086
            Block 3087
            Block 3088
            Block 3089
            Block 3090
            Block 3091
            Block 3092
            Block 3093
            Block 3094
            Block 3095
            Block 3096
            Block 3099
    Tract: 846201
        Blockgroup: 1
        Blockgroup: 2
        Blockgroup: 4
            Block 4000
            Block 4001
            Block 4002
    Tract: 846202
        Blockgroup: 2
            Block 2004
            Block 2005
            Block 2006
            Block 2007
            Block 2008
            Block 2009
            Block 2010
            Block 2011
            Block 2012
            Block 2017
    Tract: 846203
        Blockgroup: 1
        Blockgroup: 2
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3002
            Block 3003
            Block 3004
            Block 3005
            Block 3006
            Block 3007
            Block 3018
            Block 3019
            Block 3020
            Block 3021
            Block 3022
            Block 3025
            Block 3026
            Block 3027
    Tract: 846205
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3002
            Block 3003
            Block 3006
    Tract: 846304
    Tract: 846305
        Blockgroup: 1
            Block 1001
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1007
            Block 1008
            Block 1009
        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 3018
            Block 3019
            Block 3020
        Blockgroup: 4
            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
    Tract: 846307
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1003
            Block 1004
            Block 1005
            Block 1006
            Block 1007
            Block 1008
            Block 1010
            Block 1011
            Block 1012
            Block 1013
            Block 1014
        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
        Blockgroup: 3
    Tract: 846310
        Blockgroup: 2
            Block 2010
            Block 2011
            Block 2013
            Block 2014
            Block 2015
            Block 2016
    Tract: 846312
        Blockgroup: 1
        Blockgroup: 2
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3005
            Block 3006
            Block 3007
            Block 3011
            Block 3012
            Block 3013
    Tract: 846313
        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 1017
            Block 1018
            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 1038
            Block 1039
            Block 1040
            Block 1041
            Block 1042
            Block 1043
        Blockgroup: 2
            Block 2017
            Block 2018
            Block 2019
        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 3021
            Block 3022
            Block 3024
            Block 3025
            Block 3026
            Block 3027
    Tract: 846314
    Tract: 846315
        Blockgroup: 1
            Block 1000
            Block 1001
            Block 1002
            Block 1004
            Block 1010
            Block 1011
            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
            Block 1029
            Block 1030
            Block 1031
            Block 1032
        Blockgroup: 2
        Blockgroup: 3
Will County
    Tract: 880118
        Blockgroup: 1
        Blockgroup: 3
            Block 3000
            Block 3001
            Block 3002
            Block 3003
            Block 3004
            Block 3005
            Block 3006
            Block 3008
            Block 3009
            Block 3010
            Block 3011
        Blockgroup: 4
            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 4019
            Block 4020
            Block 4021
            Block 4022
            Block 4023
            Block 4024
            Block 4025
            Block 4026
(Source: P.A. 97-6, eff. 6-3-11.)