The size of Maddingley is approximately 25.5 square kilometres. It has 10 parks covering nearly 3.7% of total area. The population of Maddingley in 2011 was 2,393 people. By 2016 the population was 3,461 showing a population growth of 44.6% in the area during that time. The predominant age group in Maddingley is 0-9 years. Households in Maddingley are primarily couples with children and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Maddingley work in a professional occupation. In 2011, 70.5% of the homes in Maddingley were owner-occupied compared with 68.5% in 2016. Currently the median sales price of houses in the area is $565,000.