ZIP code 67140 is officially located in the state of Kansas, primarily serving the city of South haven. It falls under the administrative jurisdiction of Sumner County. When planning mail delivery, logistics routing, or demographic research, 67140 operates within the Central Time (CT) timezone and supports the 872 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 67140 ZIP Code Tabulation Area is approximately 41,472. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $120,140.