ZIP code 40840 is officially located in the state of Kentucky, primarily serving the city of Helton. It falls under the administrative jurisdiction of Leslie County. When planning mail delivery, logistics routing, or demographic research, 40840 operates within the Eastern Time (ET) timezone and supports the 307 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 40840 ZIP Code Tabulation Area is approximately 43,707. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $120,840.