ZIP code 40068 is officially located in the state of Kentucky, primarily serving the city of Smithfield. It falls under the administrative jurisdiction of Henry County. When planning mail delivery, logistics routing, or demographic research, 40068 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 40068 ZIP Code Tabulation Area is approximately 35,437. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $96,068.