ZIP code 51356 is officially located in the state of Iowa, primarily serving the city of Okoboji. It falls under the administrative jurisdiction of Dickinson County. When planning mail delivery, logistics routing, or demographic research, 51356 operates within the Central Time (CT) timezone and supports the 367 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 51356 ZIP Code Tabulation Area is approximately Data Not Available. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $92,356.