ZIP code 50552 is officially located in the state of Iowa, primarily serving the city of Knierim. It falls under the administrative jurisdiction of Calhoun County. When planning mail delivery, logistics routing, or demographic research, 50552 operates within the Central Time (CT) timezone and supports the 758 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 50552 ZIP Code Tabulation Area is approximately 13,358. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $124,552.