San Mateo – 94080 – South San Francisco – CA – 19/25
San Mateo – 94080 – South San Francisco – CA – 19/25
Cities: South San Francisco, CA (85.59%), Colma, CA (0.51%), San Bruno, CA (0.21%)
County: San Mateo County, CA
Estimated zip code population in 2011: 63,275
Zip code population in 2010: 63,975
Zip code population in 2000: 60,592
Headquarters of See’s Candies
A Genentech-sponsored sign declaring South San Francisco to be the “Birthplace of Biotechnology.”