State Board of Equalization (BOE) maintains the Tax-Rate Mapping Program. A tax-rate area number is assigned to each geographical area in California with a different distribution of revenues among taxing jurisdictions. The tax-rate areas are used to allocate property tax revenues to the appropriate taxing entities. The updated TRA boundary file is downloadable from BOE site. County of Santa Clara Tax Rate and Information is available from Controller-Treasure Department site.

The purpose of the Santa Clara County Interactive Map Viewer is to provide to all citizens of Santa Clara County an easy graphical means to locate places in the County, and to access information about those locations.

The GIS Gallery is a collection of Santa Clara County's maps and GIS apps maintained and curated by Information Services Department.

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The Social Vulnerability Index (SVI) indicates the relative overall vulnerability of every U.S. Census tract within Santa Clara County based on 14 social factors as developed by the Center for Disease Control. Derived primarily from U.S. Census American Community Survey 5 yr data 2012-2016 in 2018.

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