The size of Girrawheen is approximately 4.1 square kilometres. It has 11 parks covering nearly 10.2% of total area. The population of Girrawheen in 2011 was 8,334 people. By 2016 the population was 8,751 showing a population growth of 5.0% in the area during that time. The predominant age group in Girrawheen is 20-29 years. Households in Girrawheen are primarily couples with children and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Girrawheen work in a trades occupation. In 2011, 66% of the homes in Girrawheen were owner-occupied compared with 63.5% in 2016. Currently the median sales price of houses in the area is $369,500.