ZIP code 54149 is officially located in the state of Wisconsin, primarily serving the city of Mountain. It falls under the administrative jurisdiction of Oconto County. When planning mail delivery, logistics routing, or demographic research, 54149 operates within the Central Time (CT) timezone and supports the 796 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 54149 ZIP Code Tabulation Area is approximately 28,096. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $73,149.