ZIP code 99754 is officially located in the state of Alaska, primarily serving the city of Koyukuk. It falls under the administrative jurisdiction of Yukon-Koyukuk Census Area County. When planning mail delivery, logistics routing, or demographic research, 99754 operates within the Pacific Time (PT) timezone and supports the 673 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 99754 ZIP Code Tabulation Area is approximately 22,373. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $58,754.