ZIP code 83811 is officially located in the state of Idaho, primarily serving the city of Clark fork. It falls under the administrative jurisdiction of Bonner County. When planning mail delivery, logistics routing, or demographic research, 83811 operates within the Pacific Time (PT) timezone and supports the 406 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 83811 ZIP Code Tabulation Area is approximately 31,206. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $127,811.