Millican is an unincorporated community in Deschutes County, Oregon, United States on U.S. Route 20. It is just east of Horse Ridge and approximately 25 miles (40 km) east of Bend and is part of the Bend, Oregon Metropolitan Statistical Area. Its elevation is 4,304 feet (1,312 m) above sea level. As of February 2021, the population is approximately 150.