ZIP code 73742 is officially located in the state of Oklahoma, primarily serving the city of Hennessey. It falls under the administrative jurisdiction of Kingfisher County. When planning mail delivery, logistics routing, or demographic research, 73742 operates within the Central Time (CT) timezone and supports the 437 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 73742 ZIP Code Tabulation Area is approximately 11,637. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $54,742.