The size of Redbank Plains is approximately 18 square kilometres. It has 38 parks covering nearly 7.4% of total area. The population of Redbank Plains in 2011 was 14,976 people. By 2016 the population was 19,285 showing a population growth of 28.8% in the area during that time. The predominant age group in Redbank Plains is 0-9 years. Households in Redbank Plains are primarily couples with children and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Redbank Plains work in a labourer occupation. In 2011, 47.5% of the homes in Redbank Plains were owner-occupied compared with 42.2% in 2016. Currently the median sales price of houses in the area is $395,000.