Licking County is a county located in the central portion of the U.S. state of Ohio. At the 2020 census, the population was 178,519. Its county seat is Newark. The county was formed on January 30, 1808, from portions of Fairfield County.

Newark is a city in, and the county seat of, Licking County, Ohio, United States; it is located 40 miles (64 km) east of Columbus at the junction of the forks of the Licking River. The population was 49,934 at the 2020 census, making it the 18th-largest city in Ohio. It is most known for having the world's largest basket, former headquarters of the now defunct Longaberger Company. The city is part of the Columbus metropolitan area.