 67.3% of people living in Ormiston were born in Australia.The other top responses for country of birth were England 9.9%, New Zealand 5.5%, South Africa 3.3%, Scotland 1.6%, Germany 0.8%.90.8% of people spoke only English at home; the next most common languages were 0.7% German, 0.6% Afrikaans, 0.6% Mandarin, 0.5% Italian, 0.3% Greek.