ZIP code 94951 is officially located in the state of California, primarily serving the city of Penngrove. It falls under the administrative jurisdiction of Sonoma County. When planning mail delivery, logistics routing, or demographic research, 94951 operates within the Pacific Time (PT) timezone and supports the 565 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 94951 ZIP Code Tabulation Area is approximately 27,865. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $107,951.