The Protestant Hispanics are conservative, they voted Republican by 56% Bush against John Kerry in 2004 and they voted 48% for McCain/Palin in 2008.
Less than a third of Hispanics are protestant. And by your own stats, fewer than half of them voted for McCain.
Popular vote 2008 Presidential race
Hispanic share of vote 2004 and 2008 Presidential elections
Hispanic vote by state for Obama