ZIP code 43780 is officially located in the state of Ohio, primarily serving the city of Senecaville. It falls under the administrative jurisdiction of Guernsey County. When planning mail delivery, logistics routing, or demographic research, 43780 operates within the Eastern Time (ET) timezone and supports the 693 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 43780 ZIP Code Tabulation Area is approximately 11,893. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $100,780.