ZIP code 62821 is officially located in the state of Illinois, primarily serving the city of Carmi. It falls under the administrative jurisdiction of White County. When planning mail delivery, logistics routing, or demographic research, 62821 operates within the Central Time (CT) timezone and supports the 529 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 62821 ZIP Code Tabulation Area is approximately 39,029. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,821.