ZIP code 47531 is officially located in the state of Indiana, primarily serving the city of Evanston. It falls under the administrative jurisdiction of Spencer County. When planning mail delivery, logistics routing, or demographic research, 47531 operates within the Central Time (CT) timezone and supports the 381 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 47531 ZIP Code Tabulation Area is approximately 10,881. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,531.