The size of Caroline Springs is approximately 8.4 square kilometres. It has 10 parks covering nearly 3.8% of total area. The population of Caroline Springs in 2011 was 20,366 people. By 2016 the population was 24,215 showing a population growth of 18.9% in the area during that time. The predominant age group in Caroline Springs is 0-9 years. Households in Caroline Springs are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Caroline Springs work in a professional occupation. In 2011, 79% of the homes in Caroline Springs were owner-occupied compared with 74.3% in 2016. Currently the median sales price of houses in the area is $650,000.