According to CNN, Gov. Romney won more votes from evangelicals than any other candidate:
Romney was also aided by winning a strong share of evangelical voters. As predicted, evangelical turnout was up this cycle — they constituted 38 percent of GOP primary voters. Mike Huckabee was banking on winning this bloc as overwhelmingly as he had in Iowa, but the exit polls indicate that he and Romney were essentially tied among those voters, with Romney getting the votes of 33 percent to Huckabee’s 31 percent.