Dailey is an unincorporated community located in eastern Logan County, Colorado, United States. Dailey is a part of the Sterling, CO Micropolitan Statistical Area.
The Dailey, Colorado, post office operated from June 28, 1915, until July 7, 1961. The Sterling, Colorado, post office (ZIP code 80751) now serves the area. The community was named after James Dailey, a railroad official.