78039 is zip code located in Castroville, Texas. The population is 1,618, making 78039 the 2nd largest zipcode in Castroville and the 5th largest in Medina County.
There are 0 public schools in 78039 with an average Homefacts rating of B+. The total crime rate for Castroville is very low , and there are 5 registered sex offenders residing in the zip code 78039. Unemployment in 78039 is moderate.
Zip codes within Castroville include 78009.