The size of Double Bay is approximately 1 km². It has 6 park’s covering nearly 3% of the total area. There is 1 school and 2 childcare centre’s located in Double Bay. The population of Double Bay in 1996 was 4,290 people. By 2001 the population was 4,176 showing a population decline of 3% in the area during that time. The predominant age group in Double Bay is 40 - 49 years.
Households in Double Bay are primarily couples with children and are likely to be repaying over $2,100.00 per month on mortgage repayments. In general, people in Double Bay work in a professional occupation. In 1996, 43% of the homes in Double Bay were owner-occupied compared with 49% in 2001.
Currently the median sale price of houses in the area is $2,000,000.