Arcadia is a Census-designated place located in Spartanburg County in the U.S. State of South Carolina. According to the 2010 United States Census, the population was 2,634.Arcadia is located at 34°57′40″N 81°59′35″W / 34.96111°N 81.99306°W / 34.96111; -81.99306. These coordinates place the CDP to the west of the City of Spartanburg.According to the United States Census Bureau, the CDP has a total land area of 1.960  square miles and a total water area of 0.005  square mile.