Garfield Heights, OH has a population of 28,207 and is the 1,516th largest city in the United States. The population density is 3,901 per sq mi which is 1415% higher than the Ohio average and 4206% higher than the national average. The median age in Garfield Heights is 39 which is approximately 1% lower than the Ohio average of 39. In Garfield Heights, 44% of the population over 15 years of age are married, 94% speak English and 2% speak Spanish. 84% of Garfield Heights residents were born in Ohio, 12% were born out of state, 1% were born outside of the United States and 3% were foreign born.