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Flat Top Island has 2 properties.
The size of Flat Top Island is approximately 0.1 square kilometres. It has 1 park covering nearly 48.3% of total area. The population of Flat Top Island in 2016 was 111 people. By 2021 the population was 78 showing a population decline of 29.7% in the area during that time. The predominant age group in Flat Top Island is 30-39 years. Households in Flat Top Island are primarily childless couples and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Flat Top Island work in a community and personal service occupation.In 2021, 50.00% of the homes in Flat Top Island were owner-occupied compared with 50.00% in 2016.
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Population 78
10-19
8%
20-29
17%
30-39
36%
40-49
14%
50-59
9%
60-69
10%
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Last Updated: 19/01/2026
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