Mason is located in central Ingham county a few miles from the state capital in Lansing and serves as the county seat. Mason is the only county seat city in the United States located in the county containing the state capital that does not also serve as the capital city. The city was first settled in the 1840’s and was incorporated as a city in 1865. The downtown square is the focal point of the distinctive historic charm and character of our community. The majestic county courthouse, constructed in 1903 and recently renovated, provides the centerpiece for the historic architecture of downtown. The prominent clock tower atop the courthouse is a beacon to the heart of our unique community.