Alameda county data site: https://covid-19.acgov.org/data.page?

You can see Covid data broken down by zip code.

​

California State site (used to determine County tiers):  https://covid19.ca.gov/safer-economy

​

 

Information on health equity metrics can be found here: https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/COVID-19/CaliforniaHealthEquityMetric.aspx