Carroll County (pop. 20,155) is west of Howard County.
It’s one of 13 Carroll counties, and one of the 12 named for Charles Carroll (1737-1832) of Maryland, who was the last surviving signer of the Declaration of Independence.
The county seat of Carroll County is the city of Delphi (pop. 2,893).
The Niewerth Building in Delphi is on the National Register of Historic Place.
The Delphi Opera House (1865) was recently renovated. It now hosts a variety of concerts, plays, and other events.
The Wabash and Erie Canal, which connected the Great Lakes with the Ohio River, ran through Delhi. Today, Delhi has a Wabash and Erie Canal Park.
The Adams Mill Covered Bridge dates from 1872.
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