POLITICS
02/28/2012 10:14 pm ET Updated Feb 29, 2012

Mitt Romney Wins: Michigan Primary Results 2012

Mitt Romney was projected the winner in the Michigan primary on Tuesday night by NBC.

Going into the contest, former U.S. Sen. Rick Santorum was hoping to pull off an upset win over the former Massachusetts governor. Santorum was projected to finish in second place in Michigan, while Ron Paul was projected to finish third with Newt Gingrich in fourth.

Romeny emerged victorious in the Arizona primary earlier in the night.

HuffPost's Mark Blumenthal reports:

In Michigan, according the exit polls currently posted by CBS News, Romney runs strongest with Republicans who report incomes of $200,000 or more per year, running 26 percentage points ahead of Rick Santorum (55 percent to 29 percent). He runs ahead but by a much smaller, seven-point margin among those earning $100,000 to $200,000 per year (44 percent to 37 percent) and trails Santorum by four (35 percent to 39 percent) among those earning $100,000 or less.

In Arizona, the pattern is similar: Romney is leading Santorum by a whopping 48 points (63 percent to 15 percent) among those earning $200,000 or better and by smaller margins among those in lower income groups. Santorum only comes close in Arizona among voters earning less than $30,000 per year, trailing Romney by just two percentage points (32 percent to 34 percent).

This pattern has been remarkably consistent, as shown in the following table, based on the seven states for which National Election Pool exit polls are available. In each case, Romney's vote is much higher among voters earning $100,000 or better than among voters earning $50,000 or less

Following the contests in Michigan and Arizona, the race for the Republican presidential nomination will now turn to Super Tuesday.

This is a developing story... More information to come...

(From delegates to Twitter followers, click here for a rundown on who's ahead in the primary race.)

Check out the live blog below for the latest developments out of Michigan and Arizona.

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