94553 is zip code located in Martinez, California. The population is 47,583, making 94553 the largest zipcode in Martinez and the 5th largest in Contra Costa County.
There are 11 public schools in 94553 with an average Homefacts rating of B+. The total crime rate for Martinez is low , and there are 43 registered sex offenders residing in the zip code 94553. Unemployment in 94553 is low.