ZIP code 65321 is officially located in the state of Missouri, primarily serving the city of Blackburn. It falls under the administrative jurisdiction of Saline County. When planning mail delivery, logistics routing, or demographic research, 65321 operates within the Central Time (CT) timezone and supports the 298 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 65321 ZIP Code Tabulation Area is approximately 18,498. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $97,321.