The size of Barigan is approximately 123.9 square kilometres. The population of Barigan in 2006 was 307 people. By 2011 the population was 349 showing a population growth of 13.7% in the area during that time. The predominant age group in Barigan is 60-69 years. Households in Barigan are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Barigan work in a managers occupation. In 2006, 78.8% of the homes in Barigan were owner-occupied compared with 83.9% in 2011.