Collegedale, TN has a population of 10,438 and is the 3,826th largest city in the United States. The population density is 846 per sq mi which is 452% higher than the Tennessee average and 834% higher than the national average. The median age in Collegedale is 37 which is approximately 5% lower than the Tennessee average of 39. In Collegedale, 58% of the population over 15 years of age are married, 83% speak English and 6% speak Spanish. 31% of Collegedale residents were born in Tennessee, 50% were born out of state, 4% were born outside of the United States and 15% were foreign born.