ZIP code 76645 is officially located in the state of Texas, primarily serving the city of Hillsboro. It falls under the administrative jurisdiction of Hill County. When planning mail delivery, logistics routing, or demographic research, 76645 operates within the Central Time (CT) timezone and supports the 886 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 76645 ZIP Code Tabulation Area is approximately 25,386. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $105,645.