Numa, IndianaNuma, also known as Walkers Bluff or Walkerton, is an unincorporated community in Florida Township, Parke County, in the U.S. state of Indiana.HistoryNuma was laid out in 1837. According to Ronald L. Baker, the community may be named after Numa Pompilius. A post office was established at Numa in 1844, and remained in operation until it was discontinued in 1889.GeographyNuma is located at at an elevation of 525 feet.