Benton, TN has a population of 1,821 and is the 11,570th largest city in the United States. The population density is 600 per sq mi which is 292% higher than the Tennessee average and 563% higher than the national average. The median age in Benton is 33 which is approximately 15% lower than the Tennessee average of 39. In Benton, 54% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 69% of Benton residents were born in Tennessee, 30% were born out of state, 0% were born outside of the United States and 1% were foreign born.