IL-2012 Primary: 35% Romney, 31% Santorum, 12% Gingrich, 7% Paul (Tribune/WGN 3/7-9)

03/12/2012 12:36 pm ET | Updated May 12, 2012

Chicago Tribune / WGN / Market Shares Corporation
3/7-9/12; 600 registered voters, 4% margin of error
Mode: Live telephone interviews
Chicago Tribune release

Illinois

2012 President: Republican Primary
35% Romney
31% Santorum
12% Gingrich
7% Paul

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