Newt Gingrich came in a respectable second. Rick Santorum and Ron Paul, who didn't campaign there much came in a distant third and fourth, respectively. From Google, the final vote percentages were as follows:
I'm not certain how Santorum justifies continuing in the race. He begins to look silly. Whose money is he spending?
Paul is less a candidate than the advocate for a set of libertarian beliefs that include isolationism and legalization of recreational drugs as well as radically smaller government.
Nevada is next and, as a neighbor of Utah, it has a substantial Mormon population - Mitt should do well there.