Eulo is an outback town and locality in the Shire of Paroo, Queensland, Australia. In the 2016 census, Eulo had a population of 95 people. It i…Eulo is an outback town and locality in the Shire of Paroo, Queensland, Australia. In the 2016 census, Eulo had a population of 95 people. It is known for its opal mining.