Farmington, MI has a population of 10,526 and is the 3,794th largest city in the United States. The population density is 3,952 per sq mi which is 3819% higher than the Michigan average and 4263% higher than the national average. The median age in Farmington is 39 which is approximately 2% lower than the Michigan average of 40. In Farmington, 60% of the population over 15 years of age are married, 81% speak English and 1% speak Spanish. 65% of Farmington residents were born in Michigan, 15% were born out of state, 1% were born outside of the United States and 19% were foreign born.