Migration Flows

Foreign and Domestic Migration

Santa Clara & San Mateo Counties

Data Source:

California Department of Finance

Analysis:

Silicon Valley Institute for Regional Studies

Data are from the California Department of Finance E-2 and E-6 Population Estimates and Components of Change, and include San Mateo and Santa Clara Counties. Estimates for 2021 are preliminary. Net migration includes all legal and unauthorized foreign immigrants, residents who left the state to live abroad, and the balance of hundreds of thousands of people moving to and from California from within the United States. 2011 to 2021 data are from the December 2021 release. 2000-2010 data were updated with the revision released in December 2011; 1991-1999 data were updated with the revised historical data released February 2005. Refugee Arrivals data are from the Refugee Processing Center, via the California Immigrant Data Portal (National Equity Atlas), and include the number of refugees admitted into the United States. Silicon Valley data includes Santa Clara & San Mateo Counties, plus the City of Fremont. Percent likely to move out is from the 2021 Silicon Valley Poll, and include those who responded that it is an “agree” or “strongly agree.” Democrats and Republicans include “leaners.”

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Resources for Relevant Data and Reports (show)

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