 68.6% of people living in Hillcrest were born in Australia.The other top responses for country of birth were New Zealand 9.1%, England 3.7%, Philippines 1.5%, Fiji 0.9%, South Africa 0.7%.82.9% of people spoke only English at home; the next most common languages were 1.2% Samoan, 0.9% Hindi, 0.9% Vietnamese, 0.9% Spanish, 0.7% Mandarin.