In the , Stretton had a population of 4,067 people, 51.5% female and 48.5% male. The median age was 36 years, 1 year below the Australian median. 41.6% were born in Australia, compared to the national average of 69.8%. The next most common countries of birth were China 7.1%, Taiwan 7%, New Zealand 4.1%, Hong Kong 4% and India 3.1%. 41.4% of people spoke only English at home. The next most popular languages were 16.2% Mandarin, 11.3% Cantonese, 3.3% Vietnamese, 2.9% Hindi and 2.4% Korean. The weekly
median household income in Stretton was $1,843, compared to the national median of $1,234. This difference is also reflected in real estate, with the median mortgage payment being $2,400 per month, compared to the national median of $1,800. In the , Stretton had a population of 4,334. In the , Stretton had a population of 4,686 people. 39.1% were born in Australia, compared to the national average of 66.9%. The next most common countries of birth were Mainland China 14.7%, Taiwan 6.4%, New Zealand 4.0%, India 3.8% and Hong Kong 3.7%. 34.6% of people spoke only English at home. The next most popular languages were 24.5% Mandarin, 9.9% Cantonese, 3.0% Vietnamese, 2.5% Hindi and 2.1% Korean. The main ancestral backgrounds of residents were Chinese 38%, English 12.1%, Australian 11.4%, Indian 10.3% and Vietnamese 3.5%. The main religions were No religion, so described 37%, Catholic 13%, Islam 11.2%, Buddhism 7.9% and Hinduism 5.7%. == Education ==