ZIP code 90621 is officially located in the state of California, primarily serving the city of Buena park. It falls under the administrative jurisdiction of Orange County. When planning mail delivery, logistics routing, or demographic research, 90621 operates within the Pacific Time (PT) timezone and supports the 313 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 90621 ZIP Code Tabulation Area is approximately 29,713. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,621.