ZIP code 48118 is officially located in the state of Michigan, primarily serving the city of Chelsea. It falls under the administrative jurisdiction of Washtenaw County. When planning mail delivery, logistics routing, or demographic research, 48118 operates within the Eastern Time (ET) timezone and supports the 555 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 48118 ZIP Code Tabulation Area is approximately 8,255. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $46,118.