ZIP code 77355 is officially located in the state of Texas, primarily serving the city of Magnolia. It falls under the administrative jurisdiction of Montgomery County. When planning mail delivery, logistics routing, or demographic research, 77355 operates within the Central Time (CT) timezone and supports the 756 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 77355 ZIP Code Tabulation Area is approximately 18,956. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $75,355.