The size of Tarraleah is approximately 164.3 square kilometres. It has 14 parks covering nearly 58.7% of total area. The population of Tarraleah in 2006 was 116 people. By 2011 the population was 302 showing a population growth of 160.3% in the area during that time. The predominant age group in Tarraleah is 60-69 years. Households in Tarraleah are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Tarraleah work in a managers occupation. In 2006, 62.5% of the homes in Tarraleah were owner-occupied compared with 80.4% in 2011.