In the 2011 census, Windaroo recorded a population of 2,715 people, 50.9% female and 49.1% male.
The median age of the Windaroo population was 36 years, 1 year below the national median of 37.
70.6% of people living in Windaroo were born in Australia. The other top responses for country of birth were England 8.9%, New Zealand 7.4%, South Africa 1.1%, Scotland 0.8%, Ireland 0.6%.
91.2% of people spoke only English at home; the next most common languages were 0.7% Romanian, 0.6% Mandarin, 0.4% Spanish, 0.3% Russian, 0.3% German.
Over the past 3 years, development has been rapidly occurring within, acting as one of various suburbs developing at a state to which the gap dividing the Brisbane Metropolitan Area and Gold Coast City is becoming smaller. It is considered that there is approximately 6 kilometres (3.7 mi) of rural land between the Brisbane Metropolitan Area and City of Gold Coast.