In winning the Illinois Republican presidential primary, Mitt Romney continued to draw less support from white born-again/evangelical voters than from non-evangelicals, while Rick Santorum has yet to secure an outright victory among Catholic voters in any state for which data are available.
Rick Santorum and Newt Gingrich finished in a virtual tie for first place among evangelical voters in both Alabama, where evangelicals comprised 75% of the electorate, and Mississippi, where evangelicals accounted for 80% of all GOP primary voters.
Exit polls from Super Tuesday primaries show that Mitt Romney continues to struggle among evangelicals, and Rick Santorum is yet to win among Catholics in any state where exit polling was conducted.
In the caucuses and primaries that Mitt Romney has won so far in the race for the Republican nomination, Romney’s wins have come on the strength of his support among non-evangelical voters.
The vote in the GOP presidential primaries in Michigan and Arizona continued a pattern where Mitt Romney's support was weaker among born-again/evangelical voters than among non-evangelicals while Rick Santorum received his strongest support from evangelicals.
Romney's win included overwhelming support from Mormons and strong support from Catholic voters. He also won among white born-again/evangelical Protestants, though his support from that group continues to be somewhat more tepid than among non-evangelicals.
In his commanding win in the 2012 Florida Republican primary, Mitt Romney received strong support from Catholics and from voters who do not describe themselves as white born-again/evangelical Christians, according to results from the National Election Pool exit poll.
In his South Carolina Republican primary win, Newt Gingrich received strong support from born-again/evangelical Christians and from voters who said that it is important to them that a candidate shares their religious beliefs.
Mitt Romney -- who won the overall New Hampshire vote by a double-digit margin -- was the winner among born-again evangelical Christians as well as among non-evangelical voters.
Polling conducted as voters entered the 2012 Iowa caucuses shows a clear split between born-again evangelical Christians, who favored Rick Santorum, and other voters, who favored Mitt Romney.