51355 is zip code located in Okoboji, Iowa. The population is 693, making 51355 the largest zipcode in Okoboji and the 5th largest in Dickinson County.
There are 0 public schools in 51355 with an average Homefacts rating of NA. , and there are 1 registered sex offenders residing in the zip code 51355. Unemployment in 51355 is low.