Houghton, MI has a population of 7,924 and is the 4,724th largest city in the United States. The population density is 1,845 per sq mi which is 1729% higher than the Michigan average and 1937% higher than the national average. The median age in Houghton is 23 which is approximately 43% lower than the Michigan average of 40. In Houghton, 27% of the population over 15 years of age are married, 84% speak English and 2% speak Spanish. 55% of Houghton residents were born in Michigan, 29% were born out of state, 1% were born outside of the United States and 15% were foreign born.