The size of Windermere is approximately 9.1 square kilometres. It has 1 park covering nearly 2.5% of total area. The population of Windermere in 2011 was 941 people. By 2016 the population was 49 showing a population decline of 94.8% in the area during that time. The predominant age group in Windermere is 50-59 years. Households in Windermere are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Windermere work in a trades occupation. In 2011, 80.7% of the homes in Windermere were owner-occupied compared with 52.4% in 2016.