Green Hill, TN has a population of 7,079 and is the 5,140th largest city in the United States. The population density is 2,045 per sq mi which is 1236% higher than the Tennessee average and 2158% higher than the national average. The median age in Green Hill is 44 which is approximately 15% higher than the Tennessee average of 39. In Green Hill, 64% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 56% of Green Hill residents were born in Tennessee, 38% were born out of state, 1% were born outside of the United States and 5% were foreign born.