The size of Balook is approximately 37.3 square kilometres. It has 1 park covering nearly 9.7% of total area. The population of Balook in 2006 was 590 people. By 2011 the population was 477 showing a population decline of 19.2% in the area during that time. The predominant age group in Balook is 50-59 years. Households in Balook are primarily childless couples and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Balook work in a managers occupation. In 2006, 87.8% of the homes in Balook were owner-occupied compared with 87% in 2011.