The size of Lansdowne is approximately 206.4 square kilometres. It has 2 parks. The population of Lansdowne in 2011 was 320 people. By 2016 the population was 499 showing a population growth of 55.9% in the area during that time. The predominant age group in Lansdowne is 40-49 years. Households in Lansdowne are primarily couples with children and are likely to be repaying $2400 - $2999 per month on mortgage repayments. In general, people in Lansdowne work in a professional occupation. In 2011, 57.3% of the homes in Lansdowne were owner-occupied compared with 58.8% in 2016.