94574 is zip code located in St. Helena, California. The population is 9,288, making 94574 the largest zipcode in St. Helena and the 4th largest in Napa County.
There are 4 public schools in 94574 with an average Homefacts rating of B+. The total crime rate for St. Helena is very low , and there are 3 registered sex offenders residing in the zip code 94574. Unemployment in 94574 is low.