Eagle-Vail is a former census-designated place (CDP) and Unincorporated community in Eagle County, Colorado, United States, along Interstate 70 and the Eagle River. The population was 2,887 at the 2000 census. The area was not returned separately by census enumerators in 2010. The area is located in the heart of the Eagle River Valley in Eagle County. Located between Vail and Avon, Eagle-Vail is a residential community of 1,400+ homes with a diverse mix of year round residents and second homeowners.