ZIP code 81631 is officially located in the state of Colorado, primarily serving the city of Eagle. It falls under the administrative jurisdiction of Eagle County. When planning mail delivery, logistics routing, or demographic research, 81631 operates within the Mountain Time (MT) timezone and supports the 852 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 81631 ZIP Code Tabulation Area is approximately 33,052. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $67,631.