Roanoke, AL has a population of 5,987 and is the 5,766th largest city in the United States. The population density is 320 per sq mi which is 247% higher than the Alabama average and 253% higher than the national average. The median age in Roanoke is 43 which is approximately 10% higher than the Alabama average of 39. In Roanoke, 57% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 66% of Roanoke residents were born in Alabama, 32% were born out of state, 0% were born outside of the United States and 2% were foreign born.