To date, 88,027,926 Americans are confirmed to have been infected with COVID-19 — and over 1 million have died as a result. On a per capita basis, the U.S. has one of the highest known infections rates in the world.

In the San Francisco-Oakland-Hayward metropolitan area, located in California, a total of 962,805 COVID-19 cases have been reported to date. Adjusted for population, there have been 20,603 reported infections for every 100,000 people in the area — below the national rate of 26,906 cases per 100,000 people.

The lower than average per capita COVID-19 infection rate across San Francisco-Oakland-Hayward is being driven by one area in particular.

The broader San Francisco metro area comprises five counties or county equivalents — and of them, Marin County in California has the fewest COVID-19 cases per capita. So far, there have been a total of 46,394 confirmed infections in Marin County, or 17,824 for every 100,000 people.

Though Marin County has the lowest per capita infection rate in the San Francisco metro area, its per capita fatality rate is closely in line with the regional average.

There have been a total of 116 coronavirus-related deaths for every 100,000 people in Marin County, compared to 112 COVID-19 deaths per 100,000 across the entire San Francisco-Oakland-Hayward metro area.

All COVID-19 data used in this story are current as of July 17, 2022.

These are all the counties in California where COVID-19 is slowing (and where it’s still getting worse).

Rank	Geography	COVID cases per 100,000 people	Total cases	Deaths per 100,000 people	Total deaths
1	Marin County, CA	17,824	46,394	116	302
2	San Francisco County, CA	20,057	174,507	106	919
3	Alameda County, CA	20,321	334,017	116	1,912
4	San Mateo County, CA	21,362	163,616	94	723
5	Contra Costa County, CA	21,555	244,271	120	1,356

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