La Vergne, TN has a population of 34,451 and is the 1,222nd largest city in the United States. The population density is 1,378 per sq mi which is 800% higher than the Tennessee average and 1421% higher than the national average. The median age in La Vergne is 32 which is approximately 18% lower than the Tennessee average of 39. In La Vergne, 54% of the population over 15 years of age are married, 82% speak English and 15% speak Spanish. 52% of La Vergne residents were born in Tennessee, 35% were born out of state, 1% were born outside of the United States and 12% were foreign born.