ZIP code 61910 is officially located in the state of Illinois, primarily serving the city of Arcola. It falls under the administrative jurisdiction of Douglas County. When planning mail delivery, logistics routing, or demographic research, 61910 operates within the Central Time (CT) timezone and supports the 758 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 61910 ZIP Code Tabulation Area is approximately 39,258. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $110,910.