78017 is zip code located in Dilley, Texas. The population is 4,452, making 78017 the largest zipcode in Dilley and the 2nd largest in Frio County.
There are 3 public schools in 78017 with an average Homefacts rating of D. The total crime rate for Dilley is low , and there are 7 registered sex offenders residing in the zip code 78017. Unemployment in 78017 is moderate.