The size of Pinnaroo is approximately 799.7 square kilometres. It has 9 parks covering nearly 22.7% of total area. The population of Pinnaroo in 2011 was 558 people. By 2016 the population was 721 showing a population growth of 29.2% in the area during that time. The predominant age group in Pinnaroo is 50-59 years. Households in Pinnaroo are primarily childless couples and are likely to be repaying $600 - $799 per month on mortgage repayments. In general, people in Pinnaroo work in a managers occupation. In 2011, 75.8% of the homes in Pinnaroo were owner-occupied compared with 75.5% in 2016. Currently the median sales price of houses in the area is $144,000.