ZIP code 29678 is officially located in the state of South carolina, primarily serving the city of Seneca. It falls under the administrative jurisdiction of Oconee County. When planning mail delivery, logistics routing, or demographic research, 29678 operates within the Eastern Time (ET) timezone and supports the 647 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 29678 ZIP Code Tabulation Area is approximately 30,747. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $66,678.