Park Hill, OK has a population of 3,927 and is the 7,524th largest city in the United States. The population density is 114 per sq mi which is 109% higher than the Oklahoma average and 26% higher than the national average. The median age in Park Hill is 31 which is approximately 14% lower than the Oklahoma average of 36. In Park Hill, 53% of the population over 15 years of age are married, 90% speak English and 6% speak Spanish. 66% of Park Hill residents were born in Oklahoma, 31% were born out of state, 1% were born outside of the United States and 3% were foreign born.