Rockville is a town in Adams Township, Parke County, in the U.S. state of Indiana. The population was 2,607 at the 2010 census. The town is the county seat of Parke County. It is known as "The Covered Bridge Capital of the World".

Adams Township is one of thirteen townships in Parke County, Indiana, United States. As of the 2020 census, its population was 5,100 and it contained 1,985 housing units.