COVID-19 Infection Rates in SF Bay Area Counties

Updated July 4, 2020 – As of June 28 the total number of positive tests for COVID-19 in the 6 Bay Area counties reached 22,566. The 6-County daily rate of change was 2.01% (It’s been between 2.89% and 1.06% since June 14 – we’re starting to trend in the wrong direction).  See the line chart (third chart). 

COVID-19 Data Sources

San Francisco  | San Mateo  | Marin  |   Santa Clara  | Alameda  | Contra Costa

Contra Costa County’s (CCC) daily average rate over the week June 28 – July 4 is the highest of the 6 counties:

CCC . . . . . . . . . . . 3.89%
Marin . . . . . . . . . . 3.50%
Alameda ..   . . . . . 2.54%
Santa Clara . . . . . 2.42%
San Mateo . . . . . . 2.06%
San Francisco . . . 1.28%





Posted in COVID-19, Uncategorized.

2 Comments

  1. Would be good to use different colors for the counties instead of just different shades of brown. Hard to read. Thanks!

    • Thanks, Karen. These colors are a set of “safe colors” to deal with such issues as “blue-green color blindness” by us boys 😉

      You’re not the first to raise this. I will explore a different combination of colors for more contrast.

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