ZIP code 83281 is officially located in the state of Idaho, primarily serving the city of Swanlake. It falls under the administrative jurisdiction of Bannock County. When planning mail delivery, logistics routing, or demographic research, 83281 operates within the Mountain Time (MT) timezone and supports the 383 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 83281 ZIP Code Tabulation Area is approximately 32,583. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $117,281.