94401 is zip code located in San Mateo, California. The population is 35,721, making 94401 the 2nd largest zipcode in San Mateo and the 10th largest in San Mateo County.
There are 4 public schools in 94401 with an average Homefacts rating of A-. The total crime rate for San Mateo is moderate , and there are 25 registered sex offenders residing in the zip code 94401. Unemployment in 94401 is low.