The size of Nightcliff is approximately 1.5 square kilometres. It has 11 parks covering nearly 7.1% of total area. The population of Nightcliff in 2011 was 3,654 people. By 2016 the population was 3,838 showing a population growth of 5.0% in the area during that time. The predominant age group in Nightcliff is 30-39 years. Households in Nightcliff are primarily childless couples and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Nightcliff work in a professional occupation. In 2011, 46% of the homes in Nightcliff were owner-occupied compared with 40.4% in 2016. Currently the median sales price of houses in the area is $801,500.