City Data – Foster City CA 94404 – San Mateo County – 27/27

Foster City is a planned city located in San Mateo County, California. As of the 2010 census, the city had a total population of 30,567. Foster City is sometimes considered to be part of Silicon Valley for its local industry and its proximity to Silicon Valleycities.

Estimated zip code population in 2013: 34,431
Zip code population in 2010: 33,749
Zip code population in 2000: 31,866

Average Adjusted Gross Income (AGI) in 2012: $129,223 (Individual Income Tax Returns)
Here: $129,223
State: $72,72