63034 is zip code located in Florissant, Missouri. The population is 18,035, making 63034 the 3rd largest zipcode in Florissant and the 9th largest in St. Louis County.
There are 2 public schools in 63034 with an average Homefacts rating of B. , and there are 32 registered sex offenders residing in the zip code 63034. Unemployment in 63034 is moderate.