The size of Mcdowall is approximately 4.2 square kilometres. It has 9 parks covering nearly 23.3% of total area. The population of Mcdowall in 2011 was 6,818 people. By 2016 the population was 7,228 showing a population growth of 6.0% in the area during that time. The predominant age group in Mcdowall is 40-49 years. Households in Mcdowall are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Mcdowall work in a professional occupation. In 2011, 80.7% of the homes in Mcdowall were owner-occupied compared with 78.3% in 2016. Currently the median sales price of houses in the area is $822,250.