ZIP code 78004 is officially located in the state of Texas, primarily serving the city of Bergheim. It falls under the administrative jurisdiction of Kendall County. When planning mail delivery, logistics routing, or demographic research, 78004 operates within the Central Time (CT) timezone and supports the 851 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 78004 ZIP Code Tabulation Area is approximately 18,351. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $108,004.