ZIP code 84120 is officially located in the state of Utah, primarily serving the city of West valley city. It falls under the administrative jurisdiction of Salt Lake County. When planning mail delivery, logistics routing, or demographic research, 84120 operates within the Mountain Time (MT) timezone and supports the 597 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 84120 ZIP Code Tabulation Area is approximately 43,997. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $80,120.