Trumbull County, Ohio
county in Ohio, United States From Wikipedia, the free encyclopedia
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Trumbull County is a county in the U.S. state of Ohio. 201,977 people lived there in the 2020 census.[1] The county seat is Warren, which developed industry along the Mahoning River.[2]

Trumbull County is part of the Youngstown-Warren OH Metropolitan Statistical Area.
References
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