Cleveland, OH has a population of 389,165 and is the 48th largest city in the United States. The population density is 5,009 per sq mi which is 1845% higher than the Ohio average and 5428% higher than the national average. The median age in Cleveland is 36 which is approximately 9% lower than the Ohio average of 39. In Cleveland, 34% of the population over 15 years of age are married, 87% speak English and 8% speak Spanish. 73% of Cleveland residents were born in Ohio, 19% were born out of state, 4% were born outside of the United States and 5% were foreign born.