Gleason, TN has a population of 1,327 and is the 13,433rd largest city in the United States. The population density is 592 per sq mi which is 286% higher than the Tennessee average and 553% higher than the national average. The median age in Gleason is 39 which is approximately equal to the Tennessee average of 39. In Gleason, 61% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 79% of Gleason residents were born in Tennessee, 19% were born out of state, 2% were born outside of the United States and 1% were foreign born.