ZIP code 62831 is officially located in the state of Illinois, primarily serving the city of Du bois. It falls under the administrative jurisdiction of Washington County. When planning mail delivery, logistics routing, or demographic research, 62831 operates within the Central Time (CT) timezone and supports the 830 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 62831 ZIP Code Tabulation Area is approximately 10,630. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,831.