Lexington, MI has a population of 1,031 and is the 14,957th largest city in the United States. The population density is 743 per sq mi which is 636% higher than the Michigan average and 720% higher than the national average. The median age in Lexington is 61 which is approximately 55% higher than the Michigan average of 40. In Lexington, 57% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 85% of Lexington residents were born in Michigan, 12% were born out of state, 1% were born outside of the United States and 3% were foreign born.