ZIP code 30904 is officially located in the state of Georgia, primarily serving the city of Augusta. It falls under the administrative jurisdiction of Richmond County. When planning mail delivery, logistics routing, or demographic research, 30904 operates within the Eastern Time (ET) timezone and supports the 436 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 30904 ZIP Code Tabulation Area is approximately 18,636. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $108,904.