The size of Balnarring is approximately 26.7 square kilometres. It has 5 parks covering nearly 1.4% of total area. The population of Balnarring in 2011 was 2,526 people. By 2016 the population was 2,267 showing a population decline of 10.3% in the area during that time. The predominant age group in Balnarring is 60-69 years. Households in Balnarring are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Balnarring work in a professional occupation. In 2011, 85% of the homes in Balnarring were owner-occupied compared with 85% in 2016. Currently the median sales price of houses in the area is $1,310,000.