ZIP code 58429 is officially located in the state of North dakota, primarily serving the city of Sibley. It falls under the administrative jurisdiction of Barnes County. When planning mail delivery, logistics routing, or demographic research, 58429 operates within the Central Time (CT) timezone and supports the 369 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 58429 ZIP Code Tabulation Area is approximately 36,069. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $133,429.