The size of Barwidgi is approximately 1,145.3 square kilometres. The population of Barwidgi in 2006 was 54 people. By 2011 the population was 330 showing a population growth of 511.1% in the area during that time. The predominant age group in Barwidgi is 60-69 years. Households in Barwidgi are primarily childless couples and are likely to be repaying $450 - $599 per month on mortgage repayments. In general, people in Barwidgi work in a managers occupation. In 2006, 82.3% of the homes in Barwidgi were owner-occupied compared with 66.7% in 2011.