62951 is zip code located in Johnston City, Illinois. The population is 5,375, making 62951 the largest zipcode in Johnston City and the 5th largest in Williamson County.
There are 5 public schools in 62951 with an average Homefacts rating of C+. , and there are 1 registered sex offenders residing in the zip code 62951. Unemployment in 62951 is very high.