ZIP code 31811 is officially located in the state of Georgia, primarily serving the city of Hamilton. It falls under the administrative jurisdiction of Harris County. When planning mail delivery, logistics routing, or demographic research, 31811 operates within the Eastern Time (ET) timezone and supports the 454 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 31811 ZIP Code Tabulation Area is approximately 10,254. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $127,811.