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Curtis Island has 172 properties. Over the last 5 years, Houses in Curtis Island have seen a 144.91% increase in median value, while Units have seen a -50.54% decrease. As at 31 October 2025:
The size of Curtis Island is approximately 562.3 square kilometres. It has 5 parks covering nearly 44.3% of total area. The population of Curtis Island in 2016 was 323 people. By 2021 the population was 36 showing a population decline of 88.8% in the area during that time. The predominant age group in Curtis Island is 60-69 years. Households in Curtis Island are primarily childless couples and are likely to be repaying $800 - $999 per month on mortgage repayments. In general, people in Curtis Island work in a trades occupation.In 2021, 106.70% of the homes in Curtis Island were owner-occupied compared with 105.60% in 2016.
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Population 36
50-59
8%
60-69
44%
70-79
17%
80-89
11%
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Last Updated: 06/12/2025
While Cotality uses commercially reasonable efforts to ensure the Cotality Data is current, Cotality does not warrant the accuracy, currency or completeness of the Cotality Data and to the full extent permitted by law excludes all loss or damage howsoever arising (including through negligence) in connection with the Cotality Data.