ZIP code 83858 is officially located in the state of Idaho, primarily serving the city of Rathdrum. It falls under the administrative jurisdiction of Kootenai County. When planning mail delivery, logistics routing, or demographic research, 83858 operates within the Pacific Time (PT) timezone and supports the 312 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 83858 ZIP Code Tabulation Area is approximately 15,712. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $126,858.