Eagletown is a small unincorporated community and census-designated place in McCurtain County, Oklahoma, United States. The population was 528 at the 2010 census. Located on Mountain Fork River, about 6 miles (9.7 km) from the Oklahoma-Arkansas border, it was the first permanent Choctaw settlement in the Indian Territory, who called it osi yamaha ("Eagle"). It was an important town from 1834 to 1906, and after 1850, served as county seat for the Choctaw Nation's Eagle County. The town name was officially changed to "Eagle Town" in 1850, then changed to the present Eagletown in 1892. When Indian Territory was preparing to unite with Oklahoma Territory to form the new state of Oklahoma in 1906, Eagletown lost its county seat status and became just another unincorporated community in the new McCurtain County.