Massillon is a city in Stark County, Ohio, United States, approximately 8 miles (13 km) west of Canton, 20 miles (32 km) south of Akron, and 50 miles (80 km) south of Cleveland. The population was 32,146 at the 2020 census. Massillon is the second largest city within the Canton–Massillon metropolitan area, which includes all of Stark and Carroll counties and had a population of 401,574 in 2020.

Stark County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 374,853. Its county seat is Canton. The county was created in 1808 and organized the next year. It is named for John Stark, an officer in the American Revolutionary War.