The size of Rockingham is approximately 12.9 square kilometres. It has 26 parks covering nearly 8.8% of total area. The population of Rockingham in 2011 was 14,159 people. By 2016 the population was 14,430 showing a population growth of 1.9% in the area during that time. The predominant age group in Rockingham is 50-59 years. Households in Rockingham are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Rockingham work in a trades occupation. In 2011, 59.1% of the homes in Rockingham were owner-occupied compared with 59.9% in 2016. Currently the median sales price of houses in the area is $356,250.