ZIP code 61030 is officially located in the state of Illinois, primarily serving the city of Forreston. It falls under the administrative jurisdiction of Ogle County. When planning mail delivery, logistics routing, or demographic research, 61030 operates within the Central Time (CT) timezone and supports the 320 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 61030 ZIP Code Tabulation Area is approximately 21,320. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $50,030.