Dexter, MI has a population of 4,482 and is the 6,905th largest city in the United States. The population density is 2,401 per sq mi which is 1274% higher than the Michigan average and 2551% higher than the national average. The median age in Dexter is 33 which is approximately 16% lower than the Michigan average of 39. In Dexter, 63% of the population over 15 years of age are married, 93% speak English and 3% speak Spanish. 67% of Dexter residents were born in Michigan, 27% were born out of state, 1% were born outside of the United States and 5% were foreign born.