Douglas, AL has a population of 1,056 and is the 14,812th largest city in the United States. The population density is 310 per sq mi which is 237% higher than the Alabama average and 242% higher than the national average. The median age in Douglas is 31 which is approximately 19% lower than the Alabama average of 39. In Douglas, 57% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 80% of Douglas residents were born in Alabama, 17% were born out of state, 1% were born outside of the United States and 2% were foreign born.