The size of Forest Lake is approximately 9.9 square kilometres. It has 47 parks covering nearly 5.3% of total area. The population of Forest Lake in 2011 was 22,426 people. By 2016 the population was 22,896 showing a population growth of 2.1% in the area during that time. The predominant age group in Forest Lake is 40-49 years. Households in Forest Lake are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Forest Lake work in a professional occupation. In 2011, 65.5% of the homes in Forest Lake were owner-occupied compared with 68.4% in 2016. Currently the median sales price of houses in the area is $565,000.