Data Source:

California Department of Finance

Analysis:

Silicon Valley Institute for Regional Studies

Data are from the California Department of Finance E-2: California County Population Estimates and Components of Change July 1, 1990-2000, E-2: California County Population Estimates and Components of Change by Year – July 1, 2000-2010, E-6: Population Estimates and Components of Change by County – July 1, 2010-2013 and July 1, 2010-2012, and are for San Mateo and Santa Clara Counties. The July 1, 2010-2013 population estimates include revised July 2011 and July 2012 estimates. Estimates for 2014 are provisional. Data for the years 2000-2010 are based on revised estimates released in December 2011. Net migration includes all legal and unauthorized foreign immigrants, residents who left the state to live abroad, and the balance of people moving to and from Santa Clara and San Mateo Counties from within the United States.

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