ZIP code 30678 is officially located in the state of Georgia, primarily serving the city of White plains. It falls under the administrative jurisdiction of Greene County. When planning mail delivery, logistics routing, or demographic research, 30678 operates within the Eastern Time (ET) timezone and supports the 461 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 30678 ZIP Code Tabulation Area is approximately 41,061. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $66,678.