Trumbull County is located in the far northeast portion of the U.S. state of Ohio. As of the 2020 census, the population was 201,977. Its county seat and largest city is Warren, which developed industry along the Mahoning River. Trumbull County is part of the Youngstown–Warren, OH Metropolitan Statistical Area.

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Facts from Wikidata (CC0). Image by Jack W. Pearce via Wikimedia Commons (CC BY-SA 2.0).

Trumbull County

county in Ohio, United States

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About Trumbull County

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Country: United States

Facts from Wikidata (CC0). Image by Jack W. Pearce via Wikimedia Commons (CC BY-SA 2.0).

Inception

July 10, 1800

Website

http://www.co.trumbull.oh.us

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Warren United States Ohio

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