This is where you'll find the results for the 2012 Illinois Republican primary.
Mitt Romney, the former governor of Massachusetts and current frontrunner in the GOP presidential primary, went into the Prairie State contest with a commanding lead in the polls, garnering 44.5 percent of the vote, according to HuffPost Pollster. Former Sen. Rick Santorum (R-Pa.) trailed with 30 percent, while Newt Gingrich, the former speaker of the House, and Rep. Ron Paul (R-Tex.), had 12.5 percent and 9 percent of the vote, respectively.
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The election rules in Illinois are extremely complicated. Voters will actually vote twice -- first for their preferred GOP candidate, and then for delegates to the GOP convention. Illinois has 69 delegates, but only 54 will be awarded on Tuesday. The remaining 15 -- three of whom are party officials -- will be selected at the state convention in June.
The map below, which is updated automatically every five seconds, features county-by-county data from The Associated Press. To see the returns for a specific county, simply click that area of the map.
LOOK: Map of Illinois Republican Primary Results:
Delegate allocations are tentative and might be adjusted later. Credits: Jay Boice, Aaron Bycoffe, Daniel Lee and Christian Rocha.