ZIP code 61443 is officially located in the state of Illinois, primarily serving the city of Kewanee. It falls under the administrative jurisdiction of Henry County. When planning mail delivery, logistics routing, or demographic research, 61443 operates within the Central Time (CT) timezone and supports the 736 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 61443 ZIP Code Tabulation Area is approximately 19,636. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $71,443.