North Eagle Butte, SD has a population of 2,138 and is the 10,626th largest city in the United States. The population density is 235 per sq mi which is 2071% higher than the South Dakota average and 159% higher than the national average. The median age in North Eagle Butte is 23 which is approximately 38% lower than the South Dakota average of 37. In North Eagle Butte, 35% of the population over 15 years of age are married, 78% speak English and 1% speak Spanish. 90% of North Eagle Butte residents were born in South Dakota, 10% were born out of state, 0% were born outside of the United States and 0% were foreign born.