ZIP code 83323 is officially located in the state of Idaho, primarily serving the city of Declo. It falls under the administrative jurisdiction of Cassia County. When planning mail delivery, logistics routing, or demographic research, 83323 operates within the Mountain Time (MT) timezone and supports the 393 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 83323 ZIP Code Tabulation Area is approximately 29,793. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $131,323.