Jefferson County, Ohio

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Not to be confused with Jefferson, Ohio.
Jefferson County, Ohio
Jefferson County Courthouse in Steubenville.jpg
Seal of Jefferson County, Ohio
Map of Ohio highlighting Jefferson County
Location in the state of Ohio
Map of the United States highlighting Ohio
Ohio's location in the U.S.
Founded July 29, 1797[1]
Named for Thomas Jefferson
Seat Steubenville
Largest city Steubenville
 • Total 411 sq mi (1,064 km2)
 • Land 408 sq mi (1,057 km2)
 • Water 2.6 sq mi (7 km2), 0.6%
 • (2010) 69,709
 • Density 171/sq mi (66/km²)
Time zone Eastern: UTC-5/-4

Jefferson County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 69.709.[2] Its county seat is Steubenville.[3] The county is named for Thomas Jefferson, who was at the time Vice President.[4]

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


Jefferson County was organized on July 29, 1797 by proclamation of Governor Arthur St. Clair, six years before Ohio was granted statehood.

In 1786, the United States built Fort Steuben to protect the government surveyors mapping the land west of the Ohio River. When the surveyors completed their task a few years later, the fort was abandoned. In the meantime, settlers had built homes around the fort; they named their settlement La Belle. When the County was created in 1797, La Belle was selected as the County seat. The town was subsequently renamed Steubenville, in honor of the abandoned fort.

During the first half of the nineteenth century, Steubenville was primarily a port town, and the rest of the county consisted of small villages and farms. However, in 1856, Frazier, Kilgore and Company erected a rolling mill (the forerunner of steel mills) and the Steubenville Coal and Mining Company sank a coal shaft, resulting in Jefferson County becoming one of the leading centers of the new Industrial Revolution.

Jefferson County's population has declined to 70% of its 1960 figure as its manufacturing base collapsed over the last few decades.


According to the U.S. Census Bureau, the county has a total area of 411 square miles (1,060 km2), of which 408 square miles (1,060 km2) is land and 2.6 square miles (6.7 km2) (0.6%) is water.[6]

Adjacent counties[edit]


Historical population
Census Pop.
1800 8,766
1810 17,260 96.9%
1820 18,531 7.4%
1830 22,489 21.4%
1840 25,030 11.3%
1850 29,133 16.4%
1860 26,115 −10.4%
1870 29,188 11.8%
1880 33,018 13.1%
1890 39,415 19.4%
1900 44,357 12.5%
1910 65,423 47.5%
1920 77,580 18.6%
1930 88,307 13.8%
1940 98,129 11.1%
1950 96,495 −1.7%
1960 99,201 2.8%
1970 96,193 −3.0%
1980 91,564 −4.8%
1990 80,298 −12.3%
2000 73,894 −8.0%
2010 69,709 −5.7%
Est. 2014 67,694 [7] −2.9%
U.S. Decennial Census[8]
1790-1960[9] 1900-1990[10]
1990-2000[11] 2010-2013[2]

As of the census[12] of 2000, there were 73,894 people, 30,417 households, and 20,592 families residing in the county. The population density was 180 people per square mile (70/km²). There were 33,291 housing units at an average density of 81 per square mile (31/km²). The racial makeup of the county was 92.49% White, 5.68% Black or African American, 0.20% Native American, 0.33% Asian, 0.02% Pacific Islander, 0.25% from other races, and 1.03% from two or more races. 0.62% of the population were Hispanic or Latino of any race. 96.5% spoke English, 1.1% Spanish and 1.0% Italian as their first language.

There were 30,417 households out of which 26.70% had children under the age of 18 living with them, 52.30% were married couples living together, 11.60% had a female householder with no husband present, and 32.30% were non-families. 28.50% of all households were made up of individuals and 14.40% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.88.

In the county, the population was spread out with 21.40% under the age of 18, 8.50% from 18 to 24, 25.60% from 25 to 44, 25.90% from 45 to 64, and 18.60% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 91.20 males. For every 100 females age 18 and over, there were 87.50 males.

The median income for a household in the county was $30,853, and the median income for a family was $38,807. Males had a median income of $35,785 versus $20,375 for females. The per capita income for the county was $16,476. About 11.40% of families and 15.10% of the population were below the poverty line, including 22.30% of those under age 18 and 8.90% of those age 65 or over.


Commissioners: Thomas Graham, Ph.D, Dave Maple, and Adam Scurti
Prosecutor: Jane Hanlin Sheriff: Fred Abdalla
Auditor: Patrick J. Marshall
Treasurer: Raymond M. Agresta
Engineer: James Branagan
Judges of the Court of Common Pleas: Hon. Joseph J. Bruzzese Jr, Hon. David E. Henderson
Probate Court: Hon. Samuel W. Kerr
Clerk of Courts: John A. Corrigan
Health Commissioner: Frank J. Petrola, M.D.
Director, Board of Elections: Diane M. Gribble
Director, Job and Family Services: Nicholas Balakos
Director, Progress Alliance: Ed Looman


Commercial air service is available at nearby Pittsburgh International Airport to the east via U.S. Route 22. The county is served by two general aviation fields, the Jefferson County Airpark and the Eddie Dew Memorial Airpark.

Ohio Route 7 is the main north-south highway through the county.


Map of Jefferson County, Ohio with Municipal and Township Labels




Census-designated place[edit]

Unincorporated communities[edit]

Historical community[edit]

Carpenter's Fort, or Carpenter's Station as it was sometimes called, was established in the summer of 1781 when John Carpenter built a fortified house above the mouth of Short Creek on the Ohio side of the Ohio River in Coshocton County, but now in Jefferson County, Ohio, near Marietta, Ohio.[13][14]

See also[edit]


  1. ^ "Ohio County Profiles: Jefferson County" (PDF). Ohio Department of Development. Retrieved 2007-04-28. 
  2. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved February 8, 2015. 
  3. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  4. ^ "Jefferson County data". Ohio State University Extension Data Center. Archived from the original on May 18, 2011. Retrieved 2007-04-28. 
  5. ^
  6. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved February 8, 2015. 
  7. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  8. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved February 8, 2015. 
  9. ^ "Historical Census Browser". University of Virginia Library. Retrieved February 8, 2015. 
  10. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved February 8, 2015. 
  11. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved February 8, 2015. 
  12. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  13. ^ J. A. Caldwell: History of Belmont and Jefferson Counties, Ohio, Historical Publishing Co., Wheeling, W.Va., 1880, p. 605, reprinted 1983.
  14. ^ Julie Minot Overton, with Kay Ballantyne Hudson and Sunda Anderson Peters eds.: Ohio Towns and Townships to 1900: A Location Guide, The Ohio Genealogical Society, Mansfield, O. (Penobscot Press), 2000, p. 59.

External links[edit]

Coordinates: 40°23′N 80°46′W / 40.38°N 80.76°W / 40.38; -80.76