ZIP code 49440 is officially located in the state of Michigan, primarily serving the city of Muskegon. It falls under the administrative jurisdiction of Muskegon County. When planning mail delivery, logistics routing, or demographic research, 49440 operates within the Central Time (CT) timezone and supports the 798 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 49440 ZIP Code Tabulation Area is approximately 18,298. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $120,440.