Oak Creek is a Statutory Town in Routt County, Colorado, United States. The population was 889 at the 2020 census.
The town was incorporated in 1907 as a coal mining town. The community was named for scrub oak near the original town site.
According to the United States Census Bureau, the town has a total area of , all of it land.
It is in the South Routt School District RE-3.