Located 2 miles (3 km) west of Highway 281, it is approximately 18 miles (29 km) south of Aberdeen, the third largest city in South Dakota. The James River flows 7 miles (11 km) east of Mansfield, and the surrounding James River Valley is some of the richest farmland in the state. Additionally, this area is widely known for its large variety of game and is a popular pheasant hunting venue.
Mansfield was named for John Mansfield, who owned the land where the community is located.[6] John Mansfield was also credited with bringing the railroad to the site.[7]