78839 is zip code located in Crystal City, Texas. The population is 8,598, making 78839 the largest zipcode in Crystal City and the largest in Zavala County.
There are 5 public schools in 78839 with an average Homefacts rating of D. The total crime rate for Crystal City is very low , and there are 27 registered sex offenders residing in the zip code 78839. Unemployment in 78839 is high.