ZIP code 78618 is officially located in the state of Texas, primarily serving the city of Doss. It falls under the administrative jurisdiction of Gillespie County. When planning mail delivery, logistics routing, or demographic research, 78618 operates within the Central Time (CT) timezone and supports the 767 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 78618 ZIP Code Tabulation Area is approximately 30,167. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $46,618.