ZIP code 52745 is officially located in the state of Iowa, primarily serving the city of Big rock. It falls under the administrative jurisdiction of Scott County. When planning mail delivery, logistics routing, or demographic research, 52745 operates within the Central Time (CT) timezone and supports the 632 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 52745 ZIP Code Tabulation Area is approximately 18,832. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $105,745.