Koyukon (also called Denaakk'e) is the geographically most widespread Athabascan language spoken in Alaska. The Athabaskan language is spoken along the Koyukuk and the middle Yukon River in western interior Alaska. In 2007, the language had approximately 300 speakers, who were generally older adults bilingual in English. The total Koyukon ethnic population was 2,300.