ZIP code 40391 is officially located in the state of Kentucky, primarily serving the city of Winchester. It falls under the administrative jurisdiction of Clark County. When planning mail delivery, logistics routing, or demographic research, 40391 operates within the Eastern Time (ET) timezone and supports the 719 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 40391 ZIP Code Tabulation Area is approximately 17,519. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $87,391.