ZIP code 67640 is officially located in the state of Kansas, primarily serving the city of Gorham. It falls under the administrative jurisdiction of Russell County. When planning mail delivery, logistics routing, or demographic research, 67640 operates within the Central Time (CT) timezone and supports the 543 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 67640 ZIP Code Tabulation Area is approximately 18,043. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $120,640.