Quinns Rocks had a population of 7,991 at the 2006 census, an increase of over 1,988 residents since the 2001 census. The population is predicted to continue growing in the future, albeit at a slow pace. Only 57.7% of Quinns Rocks residents were born in Australia, compared to 70.9% nationally. All major immigrant groups in Quinns are from Anglophone countries (e.g. United Kingdom, South Africa, New Zealand) with 19.7% of the population born in the UK, a figure in line with neighbouring suburbs that also share significant British populations, such as Mindarie.