94520 is zip code located in Concord, California. The population is 37,477, making 94520 the 2nd largest zipcode in Concord and the 9th largest in Contra Costa County.
There are 5 public schools in 94520 with an average Homefacts rating of C. The total crime rate for Concord is moderate , and there are 53 registered sex offenders residing in the zip code 94520. Unemployment in 94520 is moderate.