Judson, Parke County, IndianaJudson, also called Buchanan or Buchanans Springs, is an unincorporated community and census-designated place in Washington Township, Parke County, in the U.S. state of Indiana.HistoryJudson was platted in 1872. The community bears the name of Adoniram Judson, a Baptist missionary. A post office has been in operation at Judson since 1872.