ZIP code 30078 is officially located in the state of Georgia, primarily serving the city of Zcta 30078. It falls under the administrative jurisdiction of Gwinnett County. When planning mail delivery, logistics routing, or demographic research, 30078 operates within the Eastern Time (ET) timezone and supports the 310 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 30078 ZIP Code Tabulation Area is approximately 7,310. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $66,078.