Cookeville, TN has a population of 32,256 and is the 1,319th largest city in the United States. The population density is 912 per sq mi which is 495% higher than the Tennessee average and 906% higher than the national average. The median age in Cookeville is 30 which is approximately 23% lower than the Tennessee average of 39. In Cookeville, 44% of the population over 15 years of age are married, 91% speak English and 5% speak Spanish. 63% of Cookeville residents were born in Tennessee, 27% were born out of state, 0% were born outside of the United States and 9% were foreign born.