2010 Census Summary Files Expected Soon.
The U.S. Census Bureau expects to deliver the 2010 Census (P.L. 94-171) Summary Files for Illinois needed for redistricting the week of February 14-18.
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2011 Adopted Maps
State Legislative Districts
(Public Act 97-0006)
Congressional Districts
(Public Act 97-0014)
Cook County Board of Review Districts (Public Act 97-0015)
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2001 Previous Representative Districts
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Redistricting Information
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Related Links