Bolivar, TN has a population of 5,154 and is the 6,328th largest city in the United States. The population density is 635 per sq mi which is 315% higher than the Tennessee average and 601% higher than the national average. The median age in Bolivar is 40 which is approximately 3% higher than the Tennessee average of 39. In Bolivar, 48% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 88% of Bolivar residents were born in Tennessee, 11% were born out of state, 0% were born outside of the United States and 1% were foreign born.