The boundaries of 11 U.S. Congressional districts stretch into Cook County. The maps below display the location of the March 2012 Congressional District boundaries based on the 2010 U.S. Census as passed by the General Assembly and signed into law by the Governor.

The boundaries of 11 U.S. Congressional districts stretch into Cook County. The maps below display the location of the March 2012 Congressional District boundaries based on the 2010 U.S. Census as passed by the General Assembly and signed into law by the Governor.

The boundaries of 11 U.S. Congressional districts stretch into Cook County. The maps below display the streets in each Congressional district.