ZIP code 43019 is officially located in the state of Ohio, primarily serving the city of Fredericktown. It falls under the administrative jurisdiction of Knox County. When planning mail delivery, logistics routing, or demographic research, 43019 operates within the Eastern Time (ET) timezone and supports the 338 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 43019 ZIP Code Tabulation Area is approximately 17,138. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $63,019.