The most and least vaccinated counties in the San Francisco Bay Area FacebookTwitterEmail Chris Mathura, 17, receives his COVID-19 vaccine from nurse Kimberly Torda at UCSF Benioff Children Hospital in Oakland, Calif. on April 15, 2021. It was the first day that anyone over 16 years old in California could receive the COVID-19 vaccine.Douglas Zimmerman/SFGATE You can now find out how many people in your neighborhood are vaccinated. The state of California released a new data set last week that shows how many residents are fully vaccinated or have received at least one dose of the COVID-19 vaccine in the state's more than 1,700 ZIP codes.