ZIP code 53964 is officially located in the state of Wisconsin, primarily serving the city of Westfield. It falls under the administrative jurisdiction of Marquette County. When planning mail delivery, logistics routing, or demographic research, 53964 operates within the Central Time (CT) timezone and supports the 370 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 53964 ZIP Code Tabulation Area is approximately 8,070. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $128,964.