McMinnville, TN has a population of 13,664 and is the 3,055th largest city in the United States. The population density is 1,235 per sq mi which is 707% higher than the Tennessee average and 1263% higher than the national average. The median age in McMinnville is 40 which is approximately 3% higher than the Tennessee average of 39. In McMinnville, 49% of the population over 15 years of age are married, 92% speak English and 7% speak Spanish. 71% of McMinnville residents were born in Tennessee, 21% were born out of state, 1% were born outside of the United States and 7% were foreign born.