Cowan, TN has a population of 1,496 and is the 12,702nd largest city in the United States. The population density is 724 per sq mi which is 373% higher than the Tennessee average and 700% higher than the national average. The median age in Cowan is 45 which is approximately 17% higher than the Tennessee average of 39. In Cowan, 53% of the population over 15 years of age are married, 93% speak English and 7% speak Spanish. 73% of Cowan residents were born in Tennessee, 24% were born out of state, 0% were born outside of the United States and 2% were foreign born.