The size of The Gap is approximately 1.6 square kilometres. It has 1 park covering nearly 7% of total area. The population of The Gap in 2011 was 1,692 people. By 2016 the population was 1,716 showing a population growth of 1.4% in the area during that time. The predominant age group in The Gap is 30-39 years. Households in The Gap are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in The Gap work in a professional occupation. In 2011, 39.2% of the homes in The Gap were owner-occupied compared with 38% in 2016. Currently the median sales price of houses in the area is $413,750.