The size of Redhill is approximately 157.9 square kilometres. The population of Redhill in 2011 was 379 people. By 2016 the population was 142 showing a population decline of 62.5% in the area during that time. The predominant age group in Redhill is 70-79 years. Households in Redhill are primarily childless couples and are likely to be repaying $600 - $799 per month on mortgage repayments. In general, people in Redhill work in a sales workers occupation. In 2011, 83.4% of the homes in Redhill were owner-occupied compared with 68.7% in 2016.