Butte, AK has a population of 3,905 and is the 7,557th largest city in the United States. The population density is 116 per sq mi which is 10405% higher than the Alaska average and 28% higher than the national average. The median age in Butte is 35 which is approximately 4% higher than the Alaska average of 34. In Butte, 56% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 37% of Butte residents were born in Alaska, 59% were born out of state, 1% were born outside of the United States and 2% were foreign born.