The size of Orroroo is approximately 357.3 square kilometres. It has 3 parks. The population of Orroroo in 2011 was 541 people. By 2016 the population was 604 showing a population growth of 11.6% in the area during that time. The predominant age group in Orroroo is 60-69 years. Households in Orroroo are primarily childless couples and are likely to be repaying $600 - $799 per month on mortgage repayments. In general, people in Orroroo work in a managers occupation. In 2011, 79.5% of the homes in Orroroo were owner-occupied compared with 79.7% in 2016. Currently the median sales price of houses in the area is $119,000.