San Acacio, CO

San Acacio is an unincorporated community and a census-designated place located in and governed by Costilla County, Colorado, United States. The 2020 census counted 56 residents. The Sanford post office serves San Acacio postal addresses. San Acacio is located in the Rio Culebra valley of the Sangre de Cristo Land Grant which was awarded to the family of Carlos Beaubien in 1843. The Capilla de Viejo San Acacio in Viejo San Acacio. San Acacio Mission Church – Built early in the 1860s, the Mission of San Acacio is the oldest standing church in Colorado. The through line in San Acacio is the way its history and present-day settings remain visible on the same map.

ATTRJeffrey Beall / CC BY-SA 3.0

San Acacio makes the most sense through those concrete details, with its history still visible in the settings people use today. The San Acacio Post Office was established in 1909 and remained in operation until 1992. San Acacio is located in western Costilla County in the San Luis Valley of southern Colorado. Colorado State Highway 142 runs through San Acacio, leading east 8 miles to San Luis and west 25 miles to U.S. Route 285 at Romeo.