Massillon, OH has a population of 32,268 and is the 1,318th largest city in the United States. The population density is 1,700 per sq mi which is 560% higher than the Ohio average and 1777% higher than the national average. The median age in Massillon is 40 which is approximately 2% higher than the Ohio average of 39. In Massillon, 52% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 83% of Massillon residents were born in Ohio, 15% were born out of state, 0% were born outside of the United States and 1% were foreign born.