ZIP code 60303 is officially located in the state of Illinois, primarily serving the city of Oak park. It falls under the administrative jurisdiction of Cook County. When planning mail delivery, logistics routing, or demographic research, 60303 operates within the Central Time (CT) timezone and supports the 730 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 60303 ZIP Code Tabulation Area is approximately Data Not Available. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $91,303.