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Franklin County, Ohio

Franklin County, Ohio
Franklin County Government Center
Seal of Franklin County, Ohio
Map of Ohio highlighting Franklin County
Location in the state of Ohio
Map of the United States highlighting Ohio
Ohio's location in the U.S.
Founded April 30, 1803[1]
Named for Benjamin Franklin
Seat Columbus
Largest city Columbus
 • Total 544 sq mi (1,409 km2)
 • Land 532 sq mi (1,378 km2)
 • Water 11 sq mi (28 km2), 2.1%
Population (est.)
 • (2013) 1,212,263
 • Density 2,186/sq mi (844/km²)
Congressional districts 3rd, 15th
Time zone Eastern: UTC-5/-4
Website .us.oh.franklin.cowww

Franklin County is a county in the U.S. state of Ohio. As of the 2010 census, the population was 1,163,414,[2] making it the second-most populous county in Ohio. Its county seat is Columbus,[3] the state capital and most populous city in Ohio. The county was established on April 30, 1803, less than two months after Ohio became a state, and was named after Benjamin Franklin.[4] Franklin County originally extended all the way north to Lake Erie before Ohio subdivided further into more counties.

Franklin County is included in the Columbus, OH Metropolitan Statistical Area.

Franklin County, particularly Columbus, has been a centerpiece for presidential and congressional politics, most notably the 2000 presidential election, the 2004 presidential election, and the 2006 midterm elections. Franklin County is home to one of the largest universities in the United States, The Ohio State University, which as of fall 2014 has an enrollment of 58,322 students on its main Columbus campus.[5]


  • History 1
  • Geography 2
    • Adjacent counties 2.1
    • Major highways 2.2
  • Demographics 3
  • Government 4
  • Communities 5
    • Cities 5.1
    • Villages 5.2
    • Townships 5.3
    • Census-designated places 5.4
    • Unincorporated communities 5.5
  • See also 6
  • Footnotes 7
  • Further reading 8
  • External links 9


On March 30, 1803, the Ohio government authorized the creation of Franklin County. The county originally was part of Ross County. Residents named the county in honor of Benjamin Franklin.[6] In 1816, Franklin County’s Columbus became Ohio’s state capital. Surveyors laid out the city in 1812, and officials incorporated it in 1816. Columbus was not Ohio’s original capital, but the state legislature chose to move the state government there after its location for a short time at Chillicothe and at Zanesville. Columbus was chosen as the site for the new capital because of its central location within the state and access by way of major transportation routes (primarily rivers) at that time. The legislature chose it as Ohio’s capital over a number of other competitors, including Franklinton, Dublin, Worthington, and Delaware.

Before the state legislature’s decision in 1812, Columbus did not exist. The city was designed from the first as the state’s capital, preparing itself for its role in Ohio’s political, economic, and social life. In the years between first ground-breaking and the actual movement of the capital in 1816, Columbus and Franklin County grew significantly. By 1813, workers had built a penitentiary, and by the following year, residents had established the first church, school, and newspaper in Columbus. Workers completed the Ohio Statehouse in 1861. Columbus and Franklin County grew quickly in population, with the city having 700 people by 1815. Columbus officially became the county seat in 1824. By 1834, the population of Columbus was 4,000 people, officially elevating it to "city" status.


According to the U.S. Census Bureau, the county has a total area of 544 square miles (1,410 km2), of which 532 square miles (1,380 km2) is land and 11 square miles (28 km2) (2.1%) is water.[7] The county is located in the Till Plains and the Appalachian Plateau land regions.

The county is drained by the Olentangy River and the Scioto River. Major creeks in the county include Big Darby Creek, Big Walnut Creek, and Alum Creek. There are two large reservoirs in the county, Hoover Reservoir and Griggs Reservoir.[8]

Adjacent counties

Major highways


At the time of the 2010 census, there were 1,163,414 people, 477,235 households and 278,030 families residing in the county. The population density was 2,186 per square mile (844/km²). There were 527,186 housing units at an average density of 872 per square mile (337/km²). The racial makeup of the county was 69.2% White, 21.2% Black or African American, 0.2% Native American, 3.9% Asian, 0.1% Pacific Islander, 2.3% from other races, and 3% from two or more races. 4.8% of the population were Hispanic or Latino of any race.[14] 22.8% were of German, 14.9% Irish, 8.4% English, 5.8% Italian, 2.7% Mexican, and 2.7% Polish ancestries according to 2010 census. 88.1% spoke English and 4% Spanish as their first language.[15]

There were 477,235 households of which 28% had children under the age of 18 living with them, 58.3% were married couples living together, 14.4% had a female householder with no husband present, and 41.7% were non-families. 31.9% of all households were made up of individuals and 7.9% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 3.05.[14]

25.10% of the population were under the age of 18, 11.70% from 18 to 24, 33.30% from 25 to 44, 20.10% from 45 to 64, and 9.80% who were 65 years of age or older. The median age was 32 years. For every 100 females there were 94.50 males. For every 100 females age 18 and over, there were 91.50 males.

The median household income was $49,087 and the median family income was $60,158. The per capita income for the county was $26,909. About 8.20% of families and 11.60% of the population were below the poverty line, including 14.20% of those under age 18 and 8.60% of those age 65 or over.[16][17]



Map of Franklin County with municipal and township labels

Franklin County is currently made up of 16 cities, 9 villages, and 17 townships.




Census-designated places

Unincorporated communities

See also


  1. ^ "Ohio County Profiles: Franklin County" (PDF). Ohio Department of Development. Retrieved 2007-04-28. 
  2. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved February 7, 2015. 
  3. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  4. ^ "Franklin County data".  
  5. ^ "Statistical Summary". The Ohio State University. Retrieved 19 August 2015. 
  6. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 131. 
  7. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved February 7, 2015. 
  8. ^ Query of Geographic Names Information System
  9. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  10. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved February 7, 2015. 
  11. ^ "Historical Census Browser". University of Virginia Library. Retrieved February 7, 2015. 
  12. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved February 7, 2015. 
  13. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved February 7, 2015. 
  14. ^ a b
  15. ^ 9.6% foreign born (64% of which weren't US citizens)
  16. ^
  17. ^
  18. ^

Further reading

  • Henry Howe, History of Franklin County, Ohio, 1803-1889. Knightstown, IN: Bookmark, 1977.
  • William T. Martin, History of Franklin County: A Collection of Reminiscences of the Early Settlement of the County: With Biographical Sketches and a Complete History of the County to the Present Time. Columbus, OH: Follett, Forster & Co., 1858.
  • Opha Moore, History of Franklin County, Ohio. In Two Volumes. Topeka: Historical Publishing Company, 1930.
  • William Alexander Taylor, Centennial History of Columbus and Franklin County, Ohio. Chicago: S. J. Clarke Publishing Co., 1909.
  • A Centennial Biographical History of the City of Columbus and Franklin County, Ohio... Chicago: Lewis Publishing Co., 1901.

External links

  • Franklin County official site
  • Franklin County history Provided by Ohio History Central

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