ZIP code 63031 is officially located in the state of Missouri, primarily serving the city of Florissant. It falls under the administrative jurisdiction of St. Louis County. When planning mail delivery, logistics routing, or demographic research, 63031 operates within the Central Time (CT) timezone and supports the 873 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 63031 ZIP Code Tabulation Area is approximately 24,673. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,031.