ZIP code 50054 is officially located in the state of Iowa, primarily serving the city of Colfax. It falls under the administrative jurisdiction of Jasper County. When planning mail delivery, logistics routing, or demographic research, 50054 operates within the Central Time (CT) timezone and supports the 550 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 50054 ZIP Code Tabulation Area is approximately 8,950. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $58,054.