Mooresburg, TN has a population of 926 and is the 15,610th largest city in the United States. The population density is 245 per sq mi which is 60% higher than the Tennessee average and 170% higher than the national average. The median age in Mooresburg is 44 which is approximately 13% higher than the Tennessee average of 39. In Mooresburg, 66% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 62% of Mooresburg residents were born in Tennessee, 38% were born out of state, 0% were born outside of the United States and 0% were foreign born.