ZIP code 62948 is officially located in the state of Illinois, primarily serving the city of Herrin. It falls under the administrative jurisdiction of Williamson County. When planning mail delivery, logistics routing, or demographic research, 62948 operates within the Central Time (CT) timezone and supports the 855 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 62948 ZIP Code Tabulation Area is approximately 16,255. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $56,948.