Murfreesboro, TN has a population of 122,007 and is the 228th largest city in the United States. The population density is 2,092 per sq mi which is 1266% higher than the Tennessee average and 2209% higher than the national average. The median age in Murfreesboro is 30 which is approximately 21% lower than the Tennessee average of 39. In Murfreesboro, 49% of the population over 15 years of age are married, 91% speak English and 5% speak Spanish. 52% of Murfreesboro residents were born in Tennessee, 40% were born out of state, 1% were born outside of the United States and 7% were foreign born.