The size of Brunswick is approximately 97.1 square kilometres. It has 5 parks covering nearly 4.5% of total area. The population of Brunswick in 2011 was 1,218 people. By 2016 the population was 1,117 showing a population decline of 8.3% in the area during that time. The predominant age group in Brunswick is 10-19 years. Households in Brunswick are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Brunswick work in a trades occupation. In 2011, 72.4% of the homes in Brunswick were owner-occupied compared with 75.1% in 2016. Currently the median sales price of houses in the area is $268,500.