New Address: Two Embarcadero Center, 8th floor, San Francisco, CA 94111     

Unauthorized Immigrants in CA

Unauthorized Immigrants in California, Estimates for Counties

Public Policy Institute of California
Laura E. Hill, Hans P. Johnson

First published July 2011

California has more unauthorized immigrants than any other state, about 2.6 million. For decades, unauthorized immigrants have been a part of California: in many industries in the economy and in rural and urban communities. But recent and comprehensive information about the numbers and location of this population within California—at the county and sub-county level—does not exist.

Download Resource