The size of Oatlands is approximately 2.4 square kilometres. It has 10 parks covering nearly 5% of total area. The population of Oatlands in 2011 was 5,329 people. By 2016 the population was 5,667 showing a population growth of 6.3% in the area during that time. The predominant age group in Oatlands is 40-49 years. Households in Oatlands are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Oatlands work in a professional occupation. In 2011, 74.7% of the homes in Oatlands were owner-occupied compared with 72.6% in 2016. Currently the median sales price of houses in the area is $1,980,000.