Sunnybank Hills is a very multicultural suburb. 46.7% of people living in Sunnybank Hills were born in Australia, compared to the national average of 69.8%; the next most common countries of birth were China 10.5%, Taiwan 6.6%, New Zealand 4.3%, India 2.5%, England 2.2%. Just under half (49.7%) of people spoke only English at home; the next most popular languages were 17.8% Mandarin, 6.5% Cantonese, 2.3% Vietnamese, 2.2% Korean, 1.2% Greek. According to the , Sunnybank Hills includes the largest communities of both Chinese Australians (5,647 people; 25.4%) and Serbian Australians (178 people; 1.0%) of any suburb in Queensland.