Gallup: “More than three-quarters of Americans have heard about the state of Arizona’s new immigration law, and of these, 51% say they favor it and 39% oppose it.”
Nationally, 62% of Republicans support the law (including 75% of Republicans who have heard about it). Democrats are more likely to oppose (45%) than favor (27%) the law, and a majority of Democrats familiar with the law (56%) oppose it. Independents are somewhat more likely to favor (37%) than oppose (29%) the law, with half of those who have heard about it in favor.
Among independents who have heard about it, it splits 50 percent favor, 39 percent oppose.