870 thousand people
* Bar graph maximums are derived from the C40 Member with the greatest value in each category. An indicator ( ) also displays the average of all C40 Member cities for additional context.
|Wave Action||Storm Surge||Serious|
|Flood||Flash or surface flood||Less Serious|
|Water Scarcity||Drought||Extremely Serious|
|Extreme Temperature - Hot||Heat Wave||Less Serious|
|Insects and Microrganisms||Vector-borne Disease||Serious|
|Insects and Microrganisms||Water-borne Disease||Less Serious|
|Sea Level Rise||Sea Level Rise||Extremely Serious|
The metropolitan area of San Francisco covers 9,128 square kilometers and includes a population of more than 3.3 million.