Bolivar, MO has a population of 10,592 and is the 3,776th largest city in the United States. The population density is 1,278 per sq mi which is 1379% higher than the Missouri average and 1310% higher than the national average. The median age in Bolivar is 29 which is approximately 25% lower than the Missouri average of 38. In Bolivar, 47% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 66% of Bolivar residents were born in Missouri, 32% were born out of state, 1% were born outside of the United States and 1% were foreign born.