Dotsero is an unincorporated village and census-designated place located in the U.S. state of Colorado. It is within Eagle County served as a railroad junction point for the Denver and Rio Grande Western Railroad's Denver to Salt Lake City line. It has a total area of 1.6 square miles at 39°39′0″N 107°3′30″W. The elevation is 6,150 feet above sea level. As of the 2010 census data, it had a total population of 705. The population density was 501/sq mi. Estimated per capita income in 2016 was $40,128. It has Zip code 81637.