ZIP code 83871 is officially located in the state of Idaho, primarily serving the city of Troy. It falls under the administrative jurisdiction of Latah County. When planning mail delivery, logistics routing, or demographic research, 83871 operates within the Pacific Time (PT) timezone and supports the 381 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 83871 ZIP Code Tabulation Area is approximately 33,981. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $47,871.