Clio, AL has a population of 1,006 and is the 15,121st largest city in the United States. The population density is 100 per sq mi which is 9% higher than the Alabama average and 10% higher than the national average. The median age in Clio is 42 which is approximately 8% higher than the Alabama average of 39. In Clio, 56% of the population over 15 years of age are married, 86% speak English and 13% speak Spanish. 79% of Clio residents were born in Alabama, 15% were born out of state, 0% were born outside of the United States and 6% were foreign born.