Mansfield is a city in and the county seat of Richland County, Ohio, United States. Located midway between Columbus and Cleveland via Interstate 71, it is part of Northeast Ohio region in the western foothills of the Allegheny Plateau. The city lies approximately 65 miles southwest of Cleveland, 45 miles southwest of Akron and 65 miles northeast of Columbus.
The city was founded in 1808 on a fork of the Mohican River in a hilly region surrounded by fertile farmlands, and became a manufacturing center owing to its location with numerous railroad lines. After the decline of heavy manufacturing, the city's economy has since diversified into a service economy, including retailing, education, and healthcare sectors. The 2010 Census showed that the city had a total population of 47,821, making it Ohio's nineteenth largest city. The city anchors the Mansfield Metropolitan Statistical Area, which had a population of 124,475 residents in 2010, while the Mansfield–Bucyrus, OH Combined Statistical Area had 221,398 residents.
Mansfield's official nickname is "The Fun Center of Ohio".