Douglas, OK has a population of 13 and is the 28,915th largest city in the United States. The population density is 86 per sq mi which is 58% higher than the Oklahoma average and 5% lower than the national average. The median age in Douglas is 51 which is approximately 40% higher than the Oklahoma average of 36. In Douglas, 82% of the population over 15 years of age are married, 91% speak English and 0% speak Spanish. 62% of Douglas residents were born in Oklahoma, 31% were born out of state, 0% were born outside of the United States and 8% were foreign born.