Trumbull County, Ohio

Trumbull County
Trumbull County Courthouse
Flag of Trumbull County
Official seal of Trumbull County
Map of Ohio highlighting Trumbull County
Location within the U.S. state of Ohio
Map of the United States highlighting Ohio
Ohio's location within the U.S.
Coordinates: 41°19′N 80°46′W / 41.32°N 80.76°W / 41.32; -80.76
Country United States
State Ohio
FoundedJuly 10, 1800[1]
Named forJonathan Trumbull
SeatWarren
Largest cityWarren
Area
 • Total637 sq mi (1,650 km2)
 • Land618 sq mi (1,600 km2)
 • Water18 sq mi (50 km2)  2.9%
Population
 (2020)
 • Total201,977
 • Estimate 
(2021)
201,335 Decrease
 • Density320/sq mi (120/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district14th
Websitewww.co.trumbull.oh.us

Trumbull County is a county in the far northeast portion of the U.S. state of Ohio. As of the 2020 census, the population was 201,977.[2] Its county seat and largest city is Warren, which developed industry along the Mahoning River.[3] Trumbull County is part of the Youngstown–Warren, OH Metropolitan Statistical Area.

  1. ^ "Ohio County Profiles: Trumbull County" (PDF). Ohio Department of Development. Archived from the original (PDF) on June 21, 2007. Retrieved April 28, 2007.
  2. ^ "State & County QuickFacts". United States Census Bureau. Retrieved August 28, 2022.
  3. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.

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