Champaign County, Ohio, is located in the west-central part of the state. It was established in 1805 and is known for its rural landscape, featuring farms and small towns. The county seat is Urbana, which is also the largest city in the area. The county is part of the Springfield, Ohio Metropolitan Statistical Area and has a population of around 40,000 residents. Champaign County offers various recreational activities, including parks and trails, and is home to several historical sites that reflect its rich heritage.