This is the first empirical field test of how (Republican-inclined) Hispanics are reacting to Trump. In short, they like him. Turns out appealing to middle-American whites without any Diversity! pandering doesn't repel non-whites anymore than anything that doesn't explicitly promise them government goodies. Citizenism is on the upswing in 2016.
The white-Hispanic support gaps are marginal among the three remaining serious contenders. Cruz's white-to-Hispanic ratio is very slightly higher than Trump's, while Rubio's is a bit lower than Trump's.
The Trump phenomenon has left the punditry class looking schizophrenic. Sometimes they say he's too extreme, sometimes they say he's too moderate, and sometime they accuse him of being a closeted Democrat. He's illustrated just how limited and limiting the mainstream American political landscape is. There isn't a salient place in the public consciousness populists with more in common with the European Right than with the Democrats or Republicans.
If we have to force Trump to fit onto the American two-dimensional spectrum, though, he probably gets put between Cruz (more conservative) and Rubio (more liberal). To the extent that there is any difference in how white Republicans and Hispanic Republicans vote, it's that the Hispanic curve appears to be shifted a bit to the left of the white curve.
This is an observation Steve Sailer has made several times to help explain why Mr. Amnesty McCain and--relatively, very relatively--restrictionist Mitt Romney both fared about the same among Hispanics. Immigration motivates them about as much as it motivates whites, and the Hispanic political curve looks a lot like the white curve if the white curve was shifted to the left 20 points or so.
Since we're on the topic of immigration, it continues to be Trump's most rock-solid issue. His candidacy is a referendum on a wall and people who care about immigration want that wall: