ZIP code 78116 is officially located in the state of Texas, primarily serving the city of Gillett. It falls under the administrative jurisdiction of Karnes County. When planning mail delivery, logistics routing, or demographic research, 78116 operates within the Central Time (CT) timezone and supports the 613 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 78116 ZIP Code Tabulation Area is approximately 23,713. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $112,116.