Mason is a city in southwestern Warren County, Ohio, United States. It is about 22 miles (35 km) from downtown Cincinnati. 34,792 people lived there in the 2020 census.[1]
In 2013, Mason was ranked seventh in Money Magazine's 2013 Top 50 Best Places to live in the United States.[2] In 2008 and 2011, CNN named Mason one of the top 100 places to live in the United States.[3]