The size of Carrai is approximately 257.3 square kilometres. It has 7 parks covering nearly 61.5% of total area. The population of Carrai in 2006 was 188 people. By 2011 the population was 357 showing a population growth of 89.9% in the area during that time. The predominant age group in Carrai is 60-69 years. Households in Carrai are primarily childless couples and are likely to be repaying $2400 - $2999 per month on mortgage repayments. In general, people in Carrai work in a managers occupation. In 2006, 73.9% of the homes in Carrai were owner-occupied compared with 64.9% in 2011.