The size of Rolleston is approximately 140.1 square kilometres. It has 13 parks covering nearly 1.3% of total area. The population of Rolleston in 2011 was 127 people. By 2016 the population was 292 showing a population growth of 129.9% in the area during that time. The predominant age group in Rolleston is 0-9 years. Households in Rolleston are primarily couples with children and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Rolleston work in a managers occupation. In 2011, 60.8% of the homes in Rolleston were owner-occupied compared with 58.3% in 2016.