Mansfield is a city located in Richland County, Ohio, in the United States. It serves as the county seat for the region. As of the 2020 census, the city had a population of 47,534.
Situated in the Northeast Ohio region, the city lies within the western foothills of the Allegheny Plateau. Geographically, it is positioned approximately halfway between the cities of Cleveland and Columbus along Interstate 71.