Gray, TN has a population of 1,806 and is the 11,621st largest city in the United States. The population density is 1,204 per sq mi which is 687% higher than the Tennessee average and 1229% higher than the national average. The median age in Gray is 37 which is approximately 5% lower than the Tennessee average of 39. In Gray, 52% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 59% of Gray residents were born in Tennessee, 40% were born out of state, 0% were born outside of the United States and 1% were foreign born.