CNN.com - Immigration marches could mark rise of Hispanic power - Apr 11, 2006

CNN.com - Immigration marches could mark rise of Hispanic power - Apr 11, 2006: "There are 40 million Hispanics in the United States, although due to age and legal status, just 13 million are eligible to vote."

This is not surprising (to one who lives in Florida at any rate). Disclaimer: My paternal grandmother was a Cuban immigrant.