The size of Windermere is approximately 6.6 square kilometres. It has 4 parks covering nearly 0.1% of total area. The population of Windermere in 2011 was 233 people. By 2016 the population was 248 showing a population growth of 6.4% in the area during that time. The predominant age group in Windermere is 60-69 years. Households in Windermere are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Windermere work in a professional occupation. In 2011, 89.3% of the homes in Windermere were owner-occupied compared with 90% in 2016. Currently the median sales price of houses in the area is $890,000.