O'Halloran Hill is a suburb of Adelaide, South
Australia and is about 14227 kms west-southwest of
SA's capital city of Adelaide. In the 2011 Australian
census the population of O'Halloran Hill was when
there were Females and Males living there.
O'Halloran Hill is a suburb in the south of Adelaide,
South Australia, situated on the hills south of the
O'Halloran Hill Escarpment, which rises from the
Adelaide Plains.