The size of Waroona is approximately 241.4 square kilometres. It has 32 parks covering nearly 10.1% of total area. The population of Waroona in 2011 was 2,737 people. By 2016 the population was 2,929 showing a population growth of 7.0% in the area during that time. The predominant age group in Waroona is 50-59 years. Households in Waroona are primarily childless couples and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Waroona work in a trades occupation. In 2011, 70% of the homes in Waroona were owner-occupied compared with 71.4% in 2016. Currently the median sales price of houses in the area is $270,000.