Households

Average Household Size & Additional Units Needed to Accommodate Population Growth

Santa Clara & San Mateo Counties

Data Source:

California Department of Finance

Construction Industry Research Board and California Homebuilding Foundation

Analysis:

Center for Continuing Study of the California Economy

Silicon Valley Institute for Regional Studies

Data for average household size, number of households, and population living in households are from the California Department of Finance, E-5 Population and Housing Estimates (2011-2017) and E-8 (2004-2010). Data for residential units in building permits issued are from the Construction Industry Research Board and California Homebuilding Foundation. Silicon Valley data includes Santa Clara & San Mateo Counties. Additional Units Needed to Accommodate Population Growth are calculated as the Households Needed to Accommodate Growth minus the Number of Residential Units in Building Permits Issued. Households Needed to Accommodate Growth are calculated as the change in population (living in households) divided by the average household size from that year. The 2017 estimate of residential units in building permits issued is based on data through November.

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Resources for Relevant Data and Reports (show)

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