Red Rock, OK has a population of 348 and is the 21,653rd largest city in the United States. The population density is 1,410 per sq mi which is 2484% higher than the Oklahoma average and 1457% higher than the national average. The median age in Red Rock is 35 which is approximately 2% lower than the Oklahoma average of 36. In Red Rock, 64% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 81% of Red Rock residents were born in Oklahoma, 19% were born out of state, 0% were born outside of the United States and 0% were foreign born.