The size of Doreen is approximately 32.4 square kilometres. It has 37 parks covering nearly 2.1% of total area. The population of Doreen in 2011 was 11,276 people. By 2016 the population was 21,292 showing a population growth of 88.8% in the area during that time. The predominant age group in Doreen is 0-9 years. Households in Doreen are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Doreen work in a professional occupation. In 2011, 86% of the homes in Doreen were owner-occupied compared with 76.1% in 2016. Currently the median sales price of houses in the area is $717,000.