The size of Tallarook is approximately 178.1 square kilometres. It has 2 parks covering nearly 0.1% of total area. The population of Tallarook in 2011 was 789 people. By 2016 the population was 730 showing a population decline of 7.5% in the area during that time. The predominant age group in Tallarook is 50-59 years. Households in Tallarook are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Tallarook work in a professional occupation. In 2011, 83.9% of the homes in Tallarook were owner-occupied compared with 84.7% in 2016. Currently the median sales price of houses in the area is $196,750.