The size of Waterloo is approximately 1.1 square kilometres. It has 3 parks covering nearly 2.8% of total area. The population of Waterloo in 2011 was 10,657 people. By 2016 the population was 14,608 showing a population growth of 37.1% in the area during that time. The predominant age group in Waterloo is 20-29 years. Households in Waterloo are primarily childless couples and are likely to be repaying $3000 - $3999 per month on mortgage repayments. In general, people in Waterloo work in a professional occupation. In 2011, 20.5% of the homes in Waterloo were owner-occupied compared with 24.4% in 2016. Currently the median sales price of houses in the area is $1,320,000.