Boyne Falls, MI has a population of 359 and is the 21,457th largest city in the United States. The population density is 639 per sq mi which is 534% higher than the Michigan average and 606% higher than the national average. The median age in Boyne Falls is 37 which is approximately 7% lower than the Michigan average of 40. In Boyne Falls, 53% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 92% of Boyne Falls residents were born in Michigan, 7% were born out of state, 0% were born outside of the United States and 1% were foreign born.