The size of Bergalia is approximately 24.5 square kilometres. It has 2 parks. The population of Bergalia in 2011 was 189 people. By 2016 the population was 162 showing a population decline of 14.3% in the area during that time. The predominant age group in Bergalia is 50-59 years. Households in Bergalia are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Bergalia work in a managers occupation. In 2011, 86.7% of the homes in Bergalia were owner-occupied compared with 94.7% in 2016.