Harper Woods, MI has a population of 13,895 and is the 3,011th largest city in the United States. The population density is 5,284 per sq mi which is 5139% higher than the Michigan average and 5733% higher than the national average. The median age in Harper Woods is 36 which is approximately 9% lower than the Michigan average of 40. In Harper Woods, 42% of the population over 15 years of age are married, 94% speak English and 2% speak Spanish. 82% of Harper Woods residents were born in Michigan, 13% were born out of state, 0% were born outside of the United States and 4% were foreign born.