ZIP code 61283 is officially located in the state of Illinois, primarily serving the city of Tampico. It falls under the administrative jurisdiction of Whiteside County. When planning mail delivery, logistics routing, or demographic research, 61283 operates within the Central Time (CT) timezone and supports the 846 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 61283 ZIP Code Tabulation Area is approximately 33,746. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $51,283.