ZIP code 52729 is officially located in the state of Iowa, primarily serving the city of Calamus. It falls under the administrative jurisdiction of Clinton County. When planning mail delivery, logistics routing, or demographic research, 52729 operates within the Central Time (CT) timezone and supports the 884 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 52729 ZIP Code Tabulation Area is approximately 4,384. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $133,729.