Burns Flat, OK has a population of 2,117 and is the 10,691st largest city in the United States. The population density is 2,440 per sq mi which is 4371% higher than the Oklahoma average and 2593% higher than the national average. The median age in Burns Flat is 28 which is approximately 24% lower than the Oklahoma average of 36. In Burns Flat, 59% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 57% of Burns Flat residents were born in Oklahoma, 41% were born out of state, 1% were born outside of the United States and 1% were foreign born.