Glencoe, AL has a population of 5,122 and is the 6,357th largest city in the United States. The population density is 303 per sq mi which is 229% higher than the Alabama average and 234% higher than the national average. The median age in Glencoe is 46 which is approximately 19% higher than the Alabama average of 39. In Glencoe, 69% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 82% of Glencoe residents were born in Alabama, 18% were born out of state, 0% were born outside of the United States and 0% were foreign born.