ZIP code 63111 is officially located in the state of Missouri, primarily serving the city of Saint louis. It falls under the administrative jurisdiction of St. Louis city County. When planning mail delivery, logistics routing, or demographic research, 63111 operates within the Central Time (CT) timezone and supports the 358 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 63111 ZIP Code Tabulation Area is approximately 15,058. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $127,111.