The size of Greenock is approximately 21.5 square kilometres. It has 2 parks covering nearly 0.2% of total area. The population of Greenock in 2011 was 839 people. By 2016 the population was 1,074 showing a population growth of 28.0% in the area during that time. The predominant age group in Greenock is 50-59 years. Households in Greenock are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Greenock work in a trades occupation. In 2011, 89.2% of the homes in Greenock were owner-occupied compared with 87.9% in 2016. Currently the median sales price of houses in the area is $498,750.