The size of Cranbrook is approximately 1,207.5 square kilometres. It has 22 parks covering nearly 3.8% of total area. The population of Cranbrook in 2011 was 458 people. By 2016 the population was 501 showing a population growth of 9.4% in the area during that time. The predominant age group in Cranbrook is 60-69 years. Households in Cranbrook are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Cranbrook work in a managers occupation. In 2011, 72.6% of the homes in Cranbrook were owner-occupied compared with 67.9% in 2016. Currently the median sales price of houses in the area is $175,000.