The size of Tarleton is approximately 5.9 square kilometres. It has 8 parks covering nearly 5.2% of total area. The population of Tarleton in 2011 was 544 people. By 2016 the population was 369 showing a population decline of 32.2% in the area during that time. The predominant age group in Tarleton is 40-49 years. Households in Tarleton are primarily couples with children and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Tarleton work in a trades occupation. In 2011, 85.5% of the homes in Tarleton were owner-occupied compared with 89.8% in 2016. Currently the median sales price of houses in the area is $340,000.