62666 is zip code located in Middletown, Illinois. The population is 512, making 62666 the largest zipcode in Middletown and the 8th largest in Logan County.
There are 1 public schools in 62666 with an average Homefacts rating of C+. , and there are 0 registered sex offenders residing in the zip code 62666. Unemployment in 62666 is moderate.