Latitude / Longitude:
44° 1′ 2″ N, 103° 50′ 3″ W
Central (CST) (UTC-6)
Deerfield is an unincorporated community in Pennington County, in the U.S. state of South Dakota.
A post office called Deerfield was established in 1892, and remained in operation until 1954. The community was so named on account of the area being a favorite hunting ground of deer.