Greeneville, TN has a population of 15,035 and is the 2,827th largest city in the United States. The population density is 884 per sq mi which is 477% higher than the Tennessee average and 875% higher than the national average. The median age in Greeneville is 42 which is approximately 8% higher than the Tennessee average of 39. In Greeneville, 54% of the population over 15 years of age are married, 95% speak English and 4% speak Spanish. 69% of Greeneville residents were born in Tennessee, 27% were born out of state, 1% were born outside of the United States and 2% were foreign born.