Worthington is a city in Franklin County, Ohio, United States, and is a northern suburb of Columbus. The population in the 2020 Census was 14,786. The city was founded in 1803 by the Scioto Company led by James Kilbourne, who was later elected to the United States House of Representatives, and named in honor of Thomas Worthington, who later became governor of Ohio.

Franklin County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 1,323,807, making it the most populous county in Ohio. Most of its land area is taken up by its county seat, Columbus, 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. Originally, Franklin County extended north to Lake Erie before it was subdivided into smaller counties. Franklin County is the central county of the Columbus, Ohio Metropolitan Statistical Area.