ZIP code 62557 is officially located in the state of Illinois, primarily serving the city of Dunkel. It falls under the administrative jurisdiction of Christian County. When planning mail delivery, logistics routing, or demographic research, 62557 operates within the Central Time (CT) timezone and supports the 551 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 62557 ZIP Code Tabulation Area is approximately 29,251. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $109,557.