Sterling Heights, MI has a population of 131,674 and is the 201st largest city in the United States. The population density is 3,615 per sq mi which is 3484% higher than the Michigan average and 3890% higher than the national average. The median age in Sterling Heights is 41 which is approximately 4% higher than the Michigan average of 40. In Sterling Heights, 60% of the population over 15 years of age are married, 67% speak English and 1% speak Spanish. 64% of Sterling Heights residents were born in Michigan, 9% were born out of state, 1% were born outside of the United States and 26% were foreign born.