Eufaula is a city in and county seat of McIntosh County, Oklahoma, United States. The population was 2,813 at the 2010 census, an increase of 6.6 percent from 2,639 in 2000. Eufaula is in the southern part of the county, 30 miles north of McAlester and 32 miles south of Muskogee.The name "Eufaula" comes from the Eufaula tribe, part of the Muscogee Creek Confederacy. The town and county are within the jurisdiction of the federally recognized Muscogee Creek Nation, descendants of people who removed here from the Southeastern United States in the 1830s.