ZIP code 48422 is officially located in the state of Michigan, primarily serving the city of Croswell. It falls under the administrative jurisdiction of Sanilac County. When planning mail delivery, logistics routing, or demographic research, 48422 operates within the Eastern Time (ET) timezone and supports the 701 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 48422 ZIP Code Tabulation Area is approximately 13,301. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $114,422.