A Portrait of Unauthorized Immigrants in the United States - Pew Hispanic Center
Hispanics and Arizona's New Immigration Law - Pew Research Center
■Hispanics in Arizona.
According to Pew Hispanic Center tabulations from the 2008 American Community Survey, there are 2 million Hispanics in Arizona, representing 30% of the state's population. One-third (33%) of Arizona Hispanics are foreign born.4
■Undocumented Immigrants in Arizona.
The Pew Hispanic Center estimates that approximately 500,000 undocumented immigrants resided in Arizona in 2008.5 Nearly all (94%) of these undocumented immigrants are from Mexico. Moreover, approximately 10% of Arizona's workforce is undocumented.
so with this, there's a 4 to 1 ratio of legal hispanics to illegal hispanics in arizona.
ton of research out there... i invite you to research it too.