The size of Marsden is approximately 6.1 square kilometres. It has 19 parks covering nearly 7.3% of total area. The population of Marsden in 2011 was 11,279 people. By 2016 the population was 14,070 showing a population growth of 24.7% in the area during that time. The predominant age group in Marsden is 0-9 years. Households in Marsden are primarily couples with children and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Marsden work in a machinery operators and drivers occupation. In 2011, 53.6% of the homes in Marsden were owner-occupied compared with 44.7% in 2016. Currently the median sales price of houses in the area is $442,000.