ZIP code 47634 is officially located in the state of Indiana, primarily serving the city of Richland. It falls under the administrative jurisdiction of Spencer County. When planning mail delivery, logistics routing, or demographic research, 47634 operates within the Central Time (CT) timezone and supports the 275 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 47634 ZIP Code Tabulation Area is approximately 20,575. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $118,634.