The size of Spring Mountain is approximately 19.1 square kilometres. It has 7 parks covering nearly 1.6% of total area. The population of Spring Mountain in 2011 was 6 people. By 2016 the population was 15,330 showing a population growth of 255400.0% in the area during that time. The predominant age group in Spring Mountain is 30-39 years. Households in Spring Mountain are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Spring Mountain work in a professional occupation. In 2006, 61.5% of the homes in Spring Mountain were owner-occupied compared with 49.3% in 2016. Currently the median sales price of houses in the area is $502,624.