66066 is zip code located in Oskaloosa, Kansas. The population is 2,553, making 66066 the largest zipcode in Oskaloosa and the 5th largest in Jefferson County.
There are 2 public schools in 66066 with an average Homefacts rating of C+. , and there are 5 registered sex offenders residing in the zip code 66066. Unemployment in 66066 is low.