Somerset is a census-designated place (CDP) and post office located in and governed by Gunnison County, Colorado, United States. The Somerset post office has the ZIP Code 81434. At the United States Census 2010, the population of the 81434 ZIP Code Tabulation Area was 158. History Somerset was named after Somerset, Pennsylvania. In 2012, the Aspen Skiing Company built a 3-megawatt methane-to-electricity plant in Somerset at Oxbow Carbon's Elk Creek Mine. Geography The Somerset CDP has an area of , all land. Demographics The United States Census Bureau defined the for the See also List of census designated places in Colorado References External links Somerset @ Colorado.com Somerset @ UncoverColorado.com Somerset, Colorado Mining Claims And Mines Gunnison County website Census-designated places in Gunnison County, Colorado Census-designated places in Colorado