(10 ILCS 91/10.12)
Sec. 10.12. Representative District No. 12. Representative District No. 12 is comprised of: District: 12 Cook County Tract: 031300 Blockgroup: 1 Block 1001 Block 1002 Block 1003 Block 1004 Block 1005 Tract: 031400 Blockgroup: 1 Blockgroup: 2 Blockgroup: 3 Blockgroup: 4 Block 4002 Block 4003 Block 4004 Block 4005 Block 4006 Block 4007 Block 4008 Block 4009 Block 4010 Blockgroup: 5 Blockgroup: 6 Block 6000 Block 6001 Block 6002 Block 6005 Tract: 032100 Tract: 060500 Blockgroup: 1 Block 1000 Block 1001 Block 1003 Block 1005 Block 1006 Block 1007 Tract: 060800 Blockgroup: 1 Blockgroup: 2 Block 2001 Block 2002 Block 2003 Block 2004 Blockgroup: 3 Tract: 060900 Blockgroup: 1 Blockgroup: 2 Block 2001 Block 2002 Block 2003 Block 2004 Block 2005 Block 2006 Block 2007 Blockgroup: 3 Blockgroup: 4 Blockgroup: 5 Tract: 061000 Tract: 061100 Tract: 061200 Blockgroup: 1 Block 1000 Block 1001 Block 1002 Block 1003 Block 1004 Block 1005 Block 1012 Block 1013 Block 1014 Block 1015 Block 1016 Block 1017 Block 1018 Tract: 061500 Blockgroup: 1 Block 1000 Block 1003 Block 1006 Block 1007 Block 1012 Block 1013 Block 1016 Block 1017 Tract: 061800 Tract: 061901 Tract: 061902 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 Blockgroup: 4 Tract: 062000 Tract: 062100 Tract: 062200 Tract: 062300 Blockgroup: 1 Block 1000 Block 1001 Block 1005 Block 1006 Block 1011 Block 1012 Block 1013 Block 1014 Block 1015 Block 1016 Block 1017 Tract: 062900 Tract: 063000 Tract: 063100 Tract: 063200 Blockgroup: 1 Blockgroup: 2 Blockgroup: 3 Blockgroup: 4 Block 4001 Block 4002 Block 4003 Block 4004 Block 4005 Block 4006 Blockgroup: 5 Blockgroup: 6 Tract: 063301 Tract: 063302 Tract: 063303 Tract: 063400 Tract: 070101 Blockgroup: 1 Blockgroup: 2 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 Tract: 070102 Tract: 070200 Blockgroup: 1 Block 1000 Block 1001 Block 1004 Block 1005 Tract: 071300 Blockgroup: 1 Block 1002 Tract: 071400 Blockgroup: 1 Block 1000 Blockgroup: 2 Block 2001 Block 2002 Block 2003 Block 2004 Block 2005 Block 2006 Block 2007 Block 2008 Block 2009 Block 2011 Blockgroup: 3 Blockgroup: 4 Block 4000 Block 4001 Block 4002 Block 4003 Tract: 071500 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 3015 Block 3016 Block 3017 Block 3018 Block 3019 Block 3020 Block 3021 Block 3022 Block 3023 Block 3024 Blockgroup: 4 Block 4000 Block 4001 Block 4002 Block 4003 Block 4004 Block 4005 Block 4006 Block 4007 Block 4008 Blockgroup: 5 Blockgroup: 6 Tract: 071600 Blockgroup: 1 Block 1000 Block 1001 Block 1002 Block 1003 Block 1013 Block 1014 Block 1015 Block 1016 Tract: 071700 Blockgroup: 1 Block 1000 Block 1001 Block 1002 Block 1003 Block 1008 Tract: 080100 Blockgroup: 1 Block 1000 Block 1001 Block 1002 Blockgroup: 3 Blockgroup: 4 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 Blockgroup: 7 Tract: 080201 Tract: 080202 Blockgroup: 2 Blockgroup: 3 Block 3000 Block 3001 Block 3002 Tract: 080300 Blockgroup: 1 Block 1000 Block 1001 Block 1002 Block 1003 Block 1006 Block 1007 Blockgroup: 2 Block 2000 Block 2001 Block 2002 Blockgroup: 3 Block 3000 Block 3001 Block 3004 Block 3005 Block 3006 Block 3007 Block 3008 Block 3009 Blockgroup: 4 Tract: 830700 Blockgroup: 1 Tract: 832000 Tract: 832100
(Source: P.A. 97-6, eff. 6-3-11.)