Tiawah, OK has a population of 214 and is the 24,149th largest city in the United States. The population density is 52 per sq mi which is 4% lower than the Oklahoma average and 42% lower than the national average. The median age in Tiawah is 45 which is approximately 23% higher than the Oklahoma average of 36. In Tiawah, 68% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 56% of Tiawah residents were born in Oklahoma, 44% were born out of state, 0% were born outside of the United States and 0% were foreign born.