78118 is zip code located in Karnes City, Texas. The population is 3,994, making 78118 the largest zipcode in Karnes City and the 2nd largest in Karnes County.
There are 3 public schools in 78118 with an average Homefacts rating of C+. The total crime rate for Karnes City is low , and there are 15 registered sex offenders residing in the zip code 78118. Unemployment in 78118 is moderate.