The size of Kersbrook is approximately 77.6 square kilometres. It has 1 park. The population of Kersbrook in 2011 was 1,172 people. By 2016 the population was 1,105 showing a population decline of 5.7% in the area during that time. The predominant age group in Kersbrook is 50-59 years. Households in Kersbrook are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Kersbrook work in a trades occupation. In 2011, 88.9% of the homes in Kersbrook were owner-occupied compared with 91.3% in 2016. Currently the median sales price of houses in the area is $610,000.