ZIP code 49421 is officially located in the state of Michigan, primarily serving the city of Hesperia. It falls under the administrative jurisdiction of Oceana County. When planning mail delivery, logistics routing, or demographic research, 49421 operates within the Central Time (CT) timezone and supports the 846 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 49421 ZIP Code Tabulation Area is approximately 27,446. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,421.