Brook Park, OH has a population of 18,875 and is the 2,317th largest city in the United States. The population density is 2,509 per sq mi which is 874% higher than the Ohio average and 2669% higher than the national average. The median age in Brook Park is 45 which is approximately 13% higher than the Ohio average of 39. In Brook Park, 56% of the population over 15 years of age are married, 92% speak English and 1% speak Spanish. 79% of Brook Park residents were born in Ohio, 15% were born out of state, 1% were born outside of the United States and 5% were foreign born.