Kirtland Hills, OH has a population of 717 and is the 17,321st largest city in the United States. The population density is 129 per sq mi which is 50% lower than the Ohio average and 42% higher than the national average. The median age in Kirtland Hills is 50 which is approximately 28% higher than the Ohio average of 39. In Kirtland Hills, 76% of the population over 15 years of age are married, 95% speak English and 1% speak Spanish. 70% of Kirtland Hills residents were born in Ohio, 21% were born out of state, 3% were born outside of the United States and 5% were foreign born.