ZIP code 81620 is officially located in the state of Colorado, primarily serving the city of Avon. It falls under the administrative jurisdiction of Eagle County. When planning mail delivery, logistics routing, or demographic research, 81620 operates within the Mountain Time (MT) timezone and supports the 571 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 81620 ZIP Code Tabulation Area is approximately 29,271. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $80,620.