(10 ILCS 91/10.12) Sec. 10.12. Representative District No. 12. Representative District No. 12 is comprised of: District: 12Cook CountyTract: 031300Blockgroup: 1Block 1001Block 1002Block 1003Block 1004Block 1005Tract: 031400Blockgroup: 1Blockgroup: 2Blockgroup: 3Blockgroup: 4Block 4002Block 4003Block 4004Block 4005Block 4006Block 4007Block 4008Block 4009Block 4010Blockgroup: 5Blockgroup: 6Block 6000Block 6001Block 6002Block 6005Tract: 032100Tract: 060500Blockgroup: 1Block 1000Block 1001Block 1003Block 1005Block 1006Block 1007Tract: 060800Blockgroup: 1Blockgroup: 2Block 2001Block 2002Block 2003Block 2004Blockgroup: 3Tract: 060900Blockgroup: 1Blockgroup: 2Block 2001Block 2002Block 2003Block 2004Block 2005Block 2006Block 2007Blockgroup: 3Blockgroup: 4Blockgroup: 5Tract: 061000Tract: 061100Tract: 061200Blockgroup: 1Block 1000Block 1001Block 1002Block 1003Block 1004Block 1005Block 1012Block 1013Block 1014Block 1015Block 1016Block 1017Block 1018Tract: 061500Blockgroup: 1Block 1000Block 1003Block 1006Block 1007Block 1012Block 1013Block 1016Block 1017Tract: 061800Tract: 061901Tract: 061902Blockgroup: 1Blockgroup: 2Blockgroup: 3Block 3001Block 3002Block 3003Block 3004Block 3005Block 3006Block 3007Block 3008Block 3009Block 3010Block 3011Block 3012Block 3013Blockgroup: 4Tract: 062000Tract: 062100Tract: 062200Tract: 062300Blockgroup: 1Block 1000Block 1001Block 1005Block 1006Block 1011Block 1012Block 1013Block 1014Block 1015Block 1016Block 1017Tract: 062900Tract: 063000Tract: 063100Tract: 063200Blockgroup: 1Blockgroup: 2Blockgroup: 3Blockgroup: 4Block 4001Block 4002Block 4003Block 4004Block 4005Block 4006Blockgroup: 5Blockgroup: 6Tract: 063301Tract: 063302Tract: 063303Tract: 063400Tract: 070101Blockgroup: 1Blockgroup: 2Blockgroup: 3Block 3002Block 3003Block 3004Block 3005Block 3006Block 3007Block 3008Block 3009Block 3010Block 3011Block 3012Block 3013Block 3014Tract: 070102Tract: 070200Blockgroup: 1Block 1000Block 1001Block 1004Block 1005Tract: 071300Blockgroup: 1Block 1002Tract: 071400Blockgroup: 1Block 1000Blockgroup: 2Block 2001Block 2002Block 2003Block 2004Block 2005Block 2006Block 2007Block 2008Block 2009Block 2011Blockgroup: 3Blockgroup: 4Block 4000Block 4001Block 4002Block 4003Tract: 071500Blockgroup: 1Blockgroup: 2Blockgroup: 3Block 3001Block 3002Block 3003Block 3004Block 3005Block 3006Block 3007Block 3008Block 3009Block 3010Block 3011Block 3012Block 3013Block 3014Block 3015Block 3016Block 3017Block 3018Block 3019Block 3020Block 3021Block 3022Block 3023Block 3024Blockgroup: 4Block 4000Block 4001Block 4002Block 4003Block 4004Block 4005Block 4006Block 4007Block 4008Blockgroup: 5Blockgroup: 6Tract: 071600Blockgroup: 1Block 1000Block 1001Block 1002Block 1003Block 1013Block 1014Block 1015Block 1016Tract: 071700Blockgroup: 1Block 1000Block 1001Block 1002Block 1003Block 1008Tract: 080100Blockgroup: 1Block 1000Block 1001Block 1002Blockgroup: 3Blockgroup: 4Blockgroup: 5Block 5000Block 5001Block 5002Block 5003Block 5004Block 5005Block 5006Block 5007Block 5008Block 5009Block 5010Block 5011Block 5012Block 5013Blockgroup: 6Blockgroup: 7Tract: 080201Tract: 080202Blockgroup: 2Blockgroup: 3Block 3000Block 3001Block 3002Tract: 080300Blockgroup: 1Block 1000Block 1001Block 1002Block 1003Block 1006Block 1007Blockgroup: 2Block 2000Block 2001Block 2002Blockgroup: 3Block 3000Block 3001Block 3004Block 3005Block 3006Block 3007Block 3008Block 3009Blockgroup: 4Tract: 830700Blockgroup: 1Tract: 832000Tract: 832100 (Source: P.A. 97-6, eff. 6-3-11.)