As of the 2010 census, New Mexico was the only U.S. state with an Hispanic plurality, which is to say Hispanics were the largest group in the state although not a majority. Later in 2013 California will join this elite club; Hispanics will become the largest single demographic group in California.
California's non-Hispanic whites are an aging group whereas many Hispanics are of child-bearing age. Plus CA continues to attract Asians. Lucianne.com has provided links to a Los Angeles Times article, and to an Associated Press article via Politico, both elaborating on this story.