ZIP code 49045 is officially located in the state of Michigan, primarily serving the city of Decatur. It falls under the administrative jurisdiction of Van Buren County. When planning mail delivery, logistics routing, or demographic research, 49045 operates within the Central Time (CT) timezone and supports the 516 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 49045 ZIP Code Tabulation Area is approximately 44,616. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $105,045.