ZIP code 61501 is officially located in the state of Illinois, primarily serving the city of Astoria. It falls under the administrative jurisdiction of Fulton County. When planning mail delivery, logistics routing, or demographic research, 61501 operates within the Central Time (CT) timezone and supports the 805 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 61501 ZIP Code Tabulation Area is approximately 30,205. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $57,501.