The size of Warrandyte is approximately 17.6 square kilometres. It has 19 parks covering nearly 22.3% of total area. The population of Warrandyte in 2011 was 5,519 people. By 2016 the population was 5,510 showing a population decline of 0.2% in the area during that time. The predominant age group in Warrandyte is 10-19 years. Households in Warrandyte are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Warrandyte work in a professional occupation. In 2011, 90.1% of the homes in Warrandyte were owner-occupied compared with 90.3% in 2016. Currently the median sales price of houses in the area is $1,370,250.