North Royalton, OH has a population of 30,302 and is the 1,407th largest city in the United States. The population density is 1,422 per sq mi which is 394% higher than the Ohio average and 1469% higher than the national average. The median age in North Royalton is 43 which is approximately 10% higher than the Ohio average of 39. In North Royalton, 60% of the population over 15 years of age are married, 87% speak English and 1% speak Spanish. 77% of North Royalton residents were born in Ohio, 12% were born out of state, 1% were born outside of the United States and 10% were foreign born.