Mason is a city in southwestern Warren County, Ohio, United States, approximately 22 miles north of downtown Cincinnati. As of the 2020 …Mason is a city in southwestern Warren County, Ohio, United States, approximately 22 miles north of downtown Cincinnati. As of the 2020 census, Mason's population was 34,792. It is home to Kings Island amusement park and one of the largest tennis stadiums in the world, the Lindner Family Tennis Center, home of the Cincinnati Open, one of the world's top tennis tournaments for both men and women.
Save
Share
More