ZIP code 49891 is officially located in the state of Michigan, primarily serving the city of Trenary. It falls under the administrative jurisdiction of Alger County. When planning mail delivery, logistics routing, or demographic research, 49891 operates within the Central Time (CT) timezone and supports the 390 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 49891 ZIP Code Tabulation Area is approximately 14,390. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $87,891.