ZIP code 62301 is officially located in the state of Illinois, primarily serving the city of Quincy. It falls under the administrative jurisdiction of Adams County. When planning mail delivery, logistics routing, or demographic research, 62301 operates within the Central Time (CT) timezone and supports the 868 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 62301 ZIP Code Tabulation Area is approximately 35,168. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $57,301.