The population of Arkaroola in 2006 was 81 people. By 2011 the population was 636 showing a population growth of 685.2% in the area during that time. The predominant age group in Arkaroola is 50-59 years. Households in Arkaroola are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Arkaroola work in a labourer occupation. In 2006, 23.8% of the homes in Arkaroola were owner-occupied compared with 32.1% in 2011.