Massillon is a city in Stark County in the U.S. state of Ohio, approximately 8 miles west of Canton, 20 miles south of Akron, and 50 miles south of Cleveland. The population was 32,149 at the 2010 census, which makes it the 44th largest city in Ohio. Massillon is the second largest incorporated area within the Canton-Massillon, OH Metropolitan Statistical Area. As of the 2010 census, the metropolitan area had a population of 404,422 and includes all of Stark and Carroll counties.