Ross Township is one of 14 townships in Clinton County, Indiana. As of the 2010 census, its population was 2,898 and it contained 1,119 hou…Ross Township is one of 14 townships in Clinton County, Indiana. As of the 2010 census, its population was 2,898 and it contained 1,119 housing units. The township was named for John Ross, a pioneer settler and associate county judge.