Hamden, OH has a population of 951 and is the 15,455th largest city in the United States. The population density is 1,671 per sq mi which is 549% higher than the Ohio average and 1744% higher than the national average. The median age in Hamden is 36 which is approximately 7% lower than the Ohio average of 39. In Hamden, 53% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 88% of Hamden residents were born in Ohio, 12% were born out of state, 0% were born outside of the United States and 0% were foreign born.