Damascus, OH has a population of 445 and is the 20,271st largest city in the United States. The population density is 557 per sq mi which is 116% higher than the Ohio average and 515% higher than the national average. The median age in Damascus is 49 which is approximately 25% higher than the Ohio average of 39. In Damascus, 49% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 84% of Damascus residents were born in Ohio, 16% were born out of state, 0% were born outside of the United States and 0% were foreign born.