The size of Corio is approximately 19.1 square kilometres. It has 31 parks covering nearly 5.2% of total area. The population of Corio in 2011 was 15,072 people. By 2016 the population was 15,298 showing a population growth of 1.5% in the area during that time. The predominant age group in Corio is 10-19 years. Households in Corio are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Corio work in a labourer occupation. In 2011, 61% of the homes in Corio were owner-occupied compared with 58% in 2016. Currently the median sales price of houses in the area is $465,000.