ZIP code 85543 is officially located in the state of Arizona, primarily serving the city of Pima. It falls under the administrative jurisdiction of Graham County. When planning mail delivery, logistics routing, or demographic research, 85543 operates within the Mountain Time (MT) timezone and supports the 604 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 85543 ZIP Code Tabulation Area is approximately 37,704. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $71,543.