73.1% of people living in Manly were born in Australia, compared to the national average of 69.8%; the next most common countries of birth were England 6.7%, New Zealand 5.6%, Scotland 0.8%, United States of America 0.7%, Ireland 0.6%.
90.2% of people spoke only English at home; the next most common languages were 0.5% French, 0.4% Tagalog, 0.3% Dutch, 0.3% Cantonese, 0.3% Thai.