Arboles is an unincorporated community, and a census-designated place (CDP) located in and governed by Archuleta County, Colorado, United States.At the United States Census 2020, the population of the Arboles CDP was 308.[5] The Arboles, Colorado, post office opened on December 13, 1882.[6] The Arboles post office has the ZIP code 81121.[3] The United States Census Bureau initially defined the Arboles CDP for the United States Census 2000.