Blountville, TN has a population of 2,602 and is the 9,600th largest city in the United States. The population density is 526 per sq mi which is 244% higher than the Tennessee average and 481% higher than the national average. The median age in Blountville is 44 which is approximately 13% higher than the Tennessee average of 39. In Blountville, 59% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 62% of Blountville residents were born in Tennessee, 37% were born out of state, 0% were born outside of the United States and 0% were foreign born.