Glendale, OH has a population of 2,246 and is the 10,391st largest city in the United States. The population density is 1,322 per sq mi which is 413% higher than the Ohio average and 1359% higher than the national average. The median age in Glendale is 48 which is approximately 22% higher than the Ohio average of 39. In Glendale, 72% of the population over 15 years of age are married, 94% speak English and 1% speak Spanish. 65% of Glendale residents were born in Ohio, 29% were born out of state, 1% were born outside of the United States and 6% were foreign born.