ZIP code 91948 is officially located in the state of California, primarily serving the city of Mount laguna. It falls under the administrative jurisdiction of San Diego County. When planning mail delivery, logistics routing, or demographic research, 91948 operates within the Pacific Time (PT) timezone and supports the 763 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 91948 ZIP Code Tabulation Area is approximately 23,163. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $56,948.