The size of Balgowlah Heights is approximately 1.7 square kilometres. It has 8 parks covering nearly 36.5% of total area. The population of Balgowlah Heights in 2011 was 3,268 people. By 2016 the population was 3,343 showing a population growth of 2.3% in the area during that time. The predominant age group in Balgowlah Heights is 40-49 years. Households in Balgowlah Heights are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Balgowlah Heights work in a professional occupation. In 2011, 86.1% of the homes in Balgowlah Heights were owner-occupied compared with 89.2% in 2016. Currently the median sales price of houses in the area is $3,325,000.