Jefferson County, Ohio

Jefferson County
Jefferson County Courthouse
Flag of Jefferson County
Official seal of Jefferson County
Map of Ohio highlighting Jefferson County
Location within the U.S. state of Ohio
Map of the United States highlighting Ohio
Ohio's location within the U.S.
Coordinates: 40°23′N 80°46′W / 40.38°N 80.76°W / 40.38; -80.76
Country United States
State Ohio
FoundedJuly 29, 1797[1]
Named forThomas Jefferson
SeatSteubenville
Largest citySteubenville
Area
 • Total411 sq mi (1,060 km2)
 • Land408 sq mi (1,060 km2)
 • Water2.6 sq mi (7 km2)  0.6%
Population
 (2020)
 • Total65,249 Decrease
 • Density160/sq mi (60/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district6th
Websitewww.jeffersoncountyoh.com

Jefferson County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 65,249.[2] Its county seat is Steubenville.[3] The county is named for Thomas Jefferson, who was vice president at the time of its creation.[4]

Jefferson County is part of the Weirton–Steubenville, WV–OH Metropolitan Statistical Area, which is also included in the Pittsburgh–New Castle–Weirton, PA–WV–OH Combined Statistical Area.[5]

  1. ^ "Ohio County Profiles: Jefferson County" (PDF). Ohio Department of Development. Archived from the original (PDF) on June 21, 2007. Retrieved April 28, 2007.
  2. ^ 2020 census
  3. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  4. ^ "Jefferson County data". Ohio State University Extension Data Center. Retrieved April 28, 2007.[dead link]
  5. ^ "Archived copy" (PDF). Office of Management and Budget. Archived (PDF) from the original on January 21, 2017. Retrieved January 4, 2017 – via National Archives.{{cite web}}: CS1 maint: archived copy as title (link)

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