ZIP code 54012 is officially located in the state of Wisconsin, primarily serving the city of Emerald. It falls under the administrative jurisdiction of St. Croix County. When planning mail delivery, logistics routing, or demographic research, 54012 operates within the Central Time (CT) timezone and supports the 204 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 54012 ZIP Code Tabulation Area is approximately 3,704. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $44,012.