Weston is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Las Animas County, Colorado, United States. The Weston post office has the ZIP Code 81091. At the United States Census 2010, the population of the Weston CDP was 55, while the population of the 81091 ZIP Code Tabulation Area was 812 including adjacent areas. History The Weston Post Office has been in operation since 1889. The community was named after A. J. Weston, a local pioneer. There is an old church at Vigil Plaza, near Weston. There is a different old church dating from 1866 or 1867, and a cemetery, about three miles east, at Medina Plaza. These were listed on the National Register of Historic Places in 2019 as Our Lady of Guadalupe Church and Medina Cemetery. Geography Weston sits in the valley of the Purgatoire River, on the north side of the river, near where the South Fork joins the main stem. Colorado State Highway 12 passes through the community, leading east (downriver) to Trinidad, the county seat, and west to Stonewall Gap. The Weston CDP has an area of , all land. Demographics The United States Census Bureau initially defined the for the See also Outline of Colorado Index of Colorado-related articles State of Colorado Colorado cities and towns Colorado census designated places Colorado counties Las Animas County, Colorado References External links Weston @ Colorado.com Weston @ UncoverColorado.com Weston @ SouthernColorado.info Las Animas County website Census-designated places in Las Animas County, Colorado Census-designated places in Colorado