The size of Whyalla Barson is approximately 107.7 square kilometres. It has 4 parks covering nearly 9.5% of total area. The population of Whyalla Barson in 2011 was 299 people. By 2016 the population was 30 showing a population decline of 90.0% in the area during that time. The predominant age group in Whyalla Barson is 70-79 years. Households in Whyalla Barson are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Whyalla Barson work in a labourer occupation. In 2011, 78.6% of the homes in Whyalla Barson were owner-occupied compared with 81.3% in 2016.