The size of Pampas is approximately 79.9 square kilometres. It has 2 parks covering nearly 0.1% of total area. The population of Pampas in 2011 was 148 people. By 2016 the population was 47 showing a population decline of 68.2% in the area during that time. The predominant age group in Pampas is 10-19 years. Households in Pampas are primarily childless couples and are likely to be repaying $300 - $449 per month on mortgage repayments. In general, people in Pampas work in a managers occupation. In 2006, 11.3% of the homes in Pampas were owner-occupied compared with 44% in 2011.