The size of Gunn is approximately 1.4 square kilometres. It has 18 parks covering nearly 1.8% of total area. The population of Gunn in 2011 was 2,638 people. By 2016 the population was 2,649 showing a population growth of 0.4% in the area during that time. The predominant age group in Gunn is 0-9 years. Households in Gunn are primarily couples with children and are likely to be repaying $2400 - $2999 per month on mortgage repayments. In general, people in Gunn work in a trades occupation. In 2011, 47.7% of the homes in Gunn were owner-occupied compared with 45.1% in 2016. Currently the median sales price of houses in the area is $485,000.