The size of Oakleigh South is approximately 6.7 square kilometres. It has 10 parks covering nearly 2.7% of total area. The population of Oakleigh South in 2011 was 9,140 people. By 2016 the population was 9,245 showing a population growth of 1.1% in the area during that time. The predominant age group in Oakleigh South is 30-39 years. Households in Oakleigh South are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Oakleigh South work in a professional occupation. In 2011, 76.4% of the homes in Oakleigh South were owner-occupied compared with 74.9% in 2016. Currently the median sales price of houses in the area is $1,084,000.