Burr Oak, MI has a population of 918 and is the 15,673rd largest city in the United States. The population density is 913 per sq mi which is 805% higher than the Michigan average and 907% higher than the national average. The median age in Burr Oak is 34 which is approximately 14% lower than the Michigan average of 40. In Burr Oak, 54% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 77% of Burr Oak residents were born in Michigan, 21% were born out of state, 0% were born outside of the United States and 2% were foreign born.