San Francisco. JOSH EDELSON / Contributor/Getty Images As many as 89,000 households have left San Francisco since the start of the coronavirus pandemic, according to San Francisco-based site Public Comment. Public Comment worked with the United States Postal Service to track requests for a change of address between March 1 and November 1, 2020. The data showed that 124,131 households requested a change of address during that period with at least 34,803 of those requests for moves to a different neighborhood within San Francisco.