ZIP code 61254 is officially located in the state of Illinois, primarily serving the city of Geneseo. It falls under the administrative jurisdiction of Henry County. When planning mail delivery, logistics routing, or demographic research, 61254 operates within the Central Time (CT) timezone and supports the 220 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 61254 ZIP Code Tabulation Area is approximately 26,120. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $58,254.