ZIP code 77864 is officially located in the state of Texas, primarily serving the city of Madisonville. It falls under the administrative jurisdiction of Madison County. When planning mail delivery, logistics routing, or demographic research, 77864 operates within the Central Time (CT) timezone and supports the 399 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 77864 ZIP Code Tabulation Area is approximately 14,399. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $128,864.