ZIP code 68776 is officially located in the state of Nebraska, primarily serving the city of South sioux city. It falls under the administrative jurisdiction of Dakota County. When planning mail delivery, logistics routing, or demographic research, 68776 operates within the Central Time (CT) timezone and supports the 513 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 68776 ZIP Code Tabulation Area is approximately 37,613. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $132,776.