ZIP code 94571 is officially located in the state of California, primarily serving the city of Rio vista. It falls under the administrative jurisdiction of Solano County. When planning mail delivery, logistics routing, or demographic research, 94571 operates within the Pacific Time (PT) timezone and supports the 689 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 94571 ZIP Code Tabulation Area is approximately 13,289. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $47,571.