42539 is zip code located in Liberty, Kentucky. The population is 9,633, making 42539 the largest zipcode in Liberty and the largest in Casey County.
There are 6 public schools in 42539 with an average Homefacts rating of B+. The total crime rate for Liberty is very low , and there are 23 registered sex offenders residing in the zip code 42539. Unemployment in 42539 is moderate.