Seafield, IndianaSeafield is an unincorporated community in Princeton [Township, White County, Indiana|Princeton Township], White [County, Indiana|White County], in the U.S. state of Indiana.HistorySeafield was platted in 1863 as a station and shipping point on the railroad. A post office was established at Seafield in 1861, and remained in operation until 1939. The community derives its name from a merchant named Sea.GeographySeafield is located at.