The size of Stradbroke is approximately 188.5 square kilometres. It has 4 parks covering nearly 8.6% of total area. The population of Stradbroke in 2011 was 340 people. By 2016 the population was 170 showing a population decline of 50.0% in the area during that time. The predominant age group in Stradbroke is 60-69 years. Households in Stradbroke are primarily childless couples and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Stradbroke work in a managers occupation. In 2011, 80.2% of the homes in Stradbroke were owner-occupied compared with 79.7% in 2016.