The size of Mulambin is approximately 1.5 square kilometres. It has 3 parks covering nearly 5.3% of total area. The population of Mulambin in 2011 was 614 people. By 2016 the population was 923 showing a population growth of 50.3% in the area during that time. The predominant age group in Mulambin is 0-9 years. Households in Mulambin are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Mulambin work in a trades occupation. In 2011, 64.7% of the homes in Mulambin were owner-occupied compared with 55.1% in 2016. Currently the median sales price of houses in the area is $475,000.