Illabo is a locality in the South West Slopes part of the Riverina in New South Wales, Australia. It is situated about 13 kilometres southwest o…Illabo is a locality in the South West Slopes part of the Riverina in New South Wales, Australia. It is situated about 13 kilometres southwest of Bethungra and 16 kilometres northeast of Junee. At the 2016 census, Illabo had a population of 144.