ZIP code 62340 is officially located in the state of Illinois, primarily serving the city of Griggsville. It falls under the administrative jurisdiction of Pike County. When planning mail delivery, logistics routing, or demographic research, 62340 operates within the Central Time (CT) timezone and supports the 410 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 62340 ZIP Code Tabulation Area is approximately 11,610. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $120,340.