ZIP code 61051 is officially located in the state of Illinois, primarily serving the city of Milledgeville. It falls under the administrative jurisdiction of Carroll County. When planning mail delivery, logistics routing, or demographic research, 61051 operates within the Central Time (CT) timezone and supports the 575 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 61051 ZIP Code Tabulation Area is approximately 33,475. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $107,051.