ZIP code 67543 is officially located in the state of Kansas, primarily serving the city of Haven. It falls under the administrative jurisdiction of Reno County. When planning mail delivery, logistics routing, or demographic research, 67543 operates within the Central Time (CT) timezone and supports the 315 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 67543 ZIP Code Tabulation Area is approximately 20,615. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $71,543.