ZIP code 51237 is officially located in the state of Iowa, primarily serving the city of George. It falls under the administrative jurisdiction of Lyon County. When planning mail delivery, logistics routing, or demographic research, 51237 operates within the Central Time (CT) timezone and supports the 727 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 51237 ZIP Code Tabulation Area is approximately 16,827. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $69,237.