The size of Ellenbrook is approximately 13.1 square kilometres. It has 87 parks covering nearly 12.1% of total area. The population of Ellenbrook in 2011 was 16,285 people. By 2016 the population was 22,678 showing a population growth of 39.3% in the area during that time. The predominant age group in Ellenbrook is 0-9 years. Households in Ellenbrook are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Ellenbrook work in a trades occupation. In 2011, 74.5% of the homes in Ellenbrook were owner-occupied compared with 74.6% in 2016. Currently the median sales price of houses in the area is $422,000.