ZIP code 48520 is officially located in the state of Michigan, primarily serving the city of Southeast. It falls under the administrative jurisdiction of Genesee County. When planning mail delivery, logistics routing, or demographic research, 48520 operates within the Eastern Time (ET) timezone and supports the 621 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 48520 ZIP Code Tabulation Area is approximately Data Not Available. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $80,520.