Delegate Count: Republican Presidential Primary Update

An update of primary results and delegate allocations.

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Republican Presidential Field - April 3 was a night to remember for Mitt Romney, the GOP’s presumptive nominee. After winning all three of the primary contests that took place, he’s that much closer to a one-on-one battle with President Obama. But rivals Rick Santorum and Newt Gingrich won’t make it easy. And though Rep. Ron Paul is bringing up the rear in delegate counts, he vows to stay in the race. According to the Associated Press, Romney has secured 656 of the 1,144 delegates needed to win the nomination, followed by Santorum (278), Gingrich (135) and Paul (51).—Joyce Jones(Photos from left: Ethan Miller/Getty Images, REUTERS/Brian Snyder, Joe Raedle/Getty Images,Justin Sullivan/Getty Images)

Wisconsin - As predicted, Mitt Romney won the Wisconsin primary and 30 of the 42 delegates, but things could easily have gone the other way. In the closest of the three contests held Tuesday, the former Massachusetts governor bested rival Rick Santorum by only five points with 43 percent of the votes. And while Romney ignored his GOP rivals and targeted President Obama in his victory speech, it’s tight races like this that fuel Santorum’s desire to stay in a race he ultimately won’t win. Rep. Ron Paul and Newt Gingrich took third and fourth place, respectively.(Photo: Justin Sullivan/Getty Images)

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Wisconsin - As predicted, Mitt Romney won the Wisconsin primary and 30 of the 42 delegates, but things could easily have gone the other way. In the closest of the three contests held Tuesday, the former Massachusetts governor bested rival Rick Santorum by only five points with 43 percent of the votes. And while Romney ignored his GOP rivals and targeted President Obama in his victory speech, it’s tight races like this that fuel Santorum’s desire to stay in a race he ultimately won’t win. Rep. Ron Paul and Newt Gingrich took third and fourth place, respectively.(Photo: Justin Sullivan/Getty Images)

Maryland - Romney easily won the April 3 contest in the Old Line State, where he beat Santorum by 47 percent to 29 percent. Bringing up the rear were Gingrich (11 percent) and Paul (10 percent). The state’s 37 delegates all went to Romney.(Photo: Patrick Smith/Getty Images)

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Maryland - Romney easily won the April 3 contest in the Old Line State, where he beat Santorum by 47 percent to 29 percent. Bringing up the rear were Gingrich (11 percent) and Paul (10 percent). The state’s 37 delegates all went to Romney.(Photo: Patrick Smith/Getty Images)

District of Columbia - Santorum who? The former Pennsylvania senator wasn’t even on the ballot after failing to file the necessary papers for the District’s primary and 19 delegates. Romney routed the competition with 70 percent of the votes and 18 delegates, followed by Rep. Ron Paul (11.7 percent) and Gingrich (10.5 percent). "We won 'em all," declared the victorious Romney of the night’s three races.(Photo: J.D. Pooley/Getty Images)

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District of Columbia - Santorum who? The former Pennsylvania senator wasn’t even on the ballot after failing to file the necessary papers for the District’s primary and 19 delegates. Romney routed the competition with 70 percent of the votes and 18 delegates, followed by Rep. Ron Paul (11.7 percent) and Gingrich (10.5 percent). "We won 'em all," declared the victorious Romney of the night’s three races.(Photo: J.D. Pooley/Getty Images)