Franklin County, Ohio
county in Ohio, United States
Franklin County is a county in the U.S. state of Ohio. As of 2018 census estimates, the population was 1,310,300, making it the most populous county in Ohio. Its county seat is Columbus, the state capital and most populous city in Ohio.
Franklin County Government Center
Location within the U.S. state of Ohio
Ohio's location within the U.S.
|Founded||April 30, 1803|
|Named for||Benjamin Franklin|
|• Total||544 sq mi (1,410 km2)|
|• Land||532 sq mi (1,380 km2)|
|• Water||11 sq mi (30 km2) 2.1%%|
| • Estimate |
|• Density||2,186/sq mi (844/km2)|
|Time zone||UTC−5 (Eastern)|
|• Summer (DST)||UTC−4 (EDT)|
|Congressional districts||3rd, 12th, 15th|
- "Ohio County Profiles: Franklin County" (PDF). Ohio Department of Development. Archived from the original (PDF) on June 21, 2007. Retrieved April 28, 2007.
- "American Factfinder". US Census Bureau. Retrieved April 19, 2019.
- "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.